Packages

final class Array[T] extends java.io.Serializable with java.lang.Cloneable

Arrays are mutable, indexed collections of values. Array[T] is Scala's representation for Java's T[].

val numbers = Array(1, 2, 3, 4)
val first = numbers(0) // read the first element
numbers(3) = 100 // replace the 4th array element with 100
val biggerNumbers = numbers.map(_ * 2) // multiply all numbers by two

Arrays make use of two common pieces of Scala syntactic sugar, shown on lines 2 and 3 of the above example code. Line 2 is translated into a call to apply(Int), while line 3 is translated into a call to update(Int, T).

Two implicit conversions exist in scala.Predef that are frequently applied to arrays: a conversion to scala.collection.ArrayOps (shown on line 4 of the example above) and a conversion to scala.collection.mutable.ArraySeq (a subtype of scala.collection.Seq). Both types make available many of the standard operations found in the Scala collections API. The conversion to ArrayOps is temporary, as all operations defined on ArrayOps return an Array, while the conversion to ArraySeq is permanent as all operations return a ArraySeq.

The conversion to ArrayOps takes priority over the conversion to ArraySeq. For instance, consider the following code:

val arr = Array(1, 2, 3)
val arrReversed = arr.reverse
val seqReversed : collection.Seq[Int] = arr.reverse

Value arrReversed will be of type Array[Int], with an implicit conversion to ArrayOps occurring to perform the reverse operation. The value of seqReversed, on the other hand, will be computed by converting to ArraySeq first and invoking the variant of reverse that returns another ArraySeq.

Source
Array.scala
See also

Scala Language Specification, for in-depth information on the transformations the Scala compiler makes on Arrays (Sections 6.6 and 6.15 respectively.)

"Scala 2.8 Arrays" the Scala Improvement Document detailing arrays since Scala 2.8.

"The Scala 2.8 Collections' API" section on Array by Martin Odersky for more information.

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Inherited
  1. Array
  2. Cloneable
  3. Serializable
  4. AnyRef
  5. Any
Implicitly
  1. by genericArrayOps
  2. by copyArrayToImmutableIndexedSeq
  3. by any2stringadd
  4. by StringFormat
  5. by Ensuring
  6. by ArrowAssoc
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Visibility
  1. Public
  2. Protected

Instance Constructors

  1. new Array(_length: Int)

Value Members

  1. final def !=(arg0: Any): Boolean

    Test two objects for inequality.

    Test two objects for inequality.

    returns

    true if !(this == that), false otherwise.

    Definition Classes
    AnyRef → Any
  2. final def ##: Int

    Equivalent to x.hashCode except for boxed numeric types and null.

    Equivalent to x.hashCode except for boxed numeric types and null. For numerics, it returns a hash value which is consistent with value equality: if two value type instances compare as true, then ## will produce the same hash value for each of them. For null returns a hashcode where null.hashCode throws a NullPointerException.

    returns

    a hash value consistent with ==

    Definition Classes
    AnyRef → Any
  3. def +(other: String): String
    Implicit
    This member is added by an implicit conversion from Array[T] toany2stringadd[Array[T]] performed by method any2stringadd in scala.Predef.
    Definition Classes
    any2stringadd
  4. final def ++[B >: A](xs: Array[_ <: B])(implicit arg0: ClassTag[B]): Array[B]
    Implicit
    This member is added by an implicit conversion from Array[T] toArrayOps[T] performed by method genericArrayOps in scala.Predef.
    Definition Classes
    ArrayOps
    Annotations
    @inline()
  5. final def ++[B >: A](xs: collection.IterableOnce[B])(implicit arg0: ClassTag[B]): Array[B]
    Implicit
    This member is added by an implicit conversion from Array[T] toArrayOps[T] performed by method genericArrayOps in scala.Predef.
    Definition Classes
    ArrayOps
    Annotations
    @inline()
  6. final def ++[B >: A](suffix: collection.IterableOnce[B]): collection.immutable.IndexedSeq[B]

    Alias for concat

    Alias for concat

    Implicit
    This member is added by an implicit conversion from Array[T] toIndexedSeq[T] performed by method copyArrayToImmutableIndexedSeq in scala.LowPriorityImplicits2.
    Definition Classes
    IterableOps
    Annotations
    @inline()
  7. final def ++:[B >: A](prefix: Array[_ <: B])(implicit arg0: ClassTag[B]): Array[B]
    Implicit
    This member is added by an implicit conversion from Array[T] toArrayOps[T] performed by method genericArrayOps in scala.Predef.
    Definition Classes
    ArrayOps
    Annotations
    @inline()
  8. final def ++:[B >: A](prefix: collection.IterableOnce[B])(implicit arg0: ClassTag[B]): Array[B]
    Implicit
    This member is added by an implicit conversion from Array[T] toArrayOps[T] performed by method genericArrayOps in scala.Predef.
    Definition Classes
    ArrayOps
    Annotations
    @inline()
  9. final def ++:[B >: A](prefix: collection.IterableOnce[B]): collection.immutable.IndexedSeq[B]

    Alias for prependedAll

    Alias for prependedAll

    Implicit
    This member is added by an implicit conversion from Array[T] toIndexedSeq[T] performed by method copyArrayToImmutableIndexedSeq in scala.LowPriorityImplicits2.
    Definition Classes
    SeqOpsIterableOps
    Annotations
    @inline()
  10. final def +:[B >: A](x: B)(implicit arg0: ClassTag[B]): Array[B]
    Implicit
    This member is added by an implicit conversion from Array[T] toArrayOps[T] performed by method genericArrayOps in scala.Predef.
    Definition Classes
    ArrayOps
    Annotations
    @inline()
  11. final def +:[B >: A](elem: B): collection.immutable.IndexedSeq[B]

    Alias for prepended.

    Alias for prepended.

    Note that :-ending operators are right associative (see example). A mnemonic for +: vs. :+ is: the COLon goes on the COLlection side.

    Implicit
    This member is added by an implicit conversion from Array[T] toIndexedSeq[T] performed by method copyArrayToImmutableIndexedSeq in scala.LowPriorityImplicits2.
    Definition Classes
    SeqOps
    Annotations
    @inline()
  12. def ->[B](y: B): (Array[T], B)
    Implicit
    This member is added by an implicit conversion from Array[T] toArrowAssoc[Array[T]] performed by method ArrowAssoc in scala.Predef.
    Definition Classes
    ArrowAssoc
    Annotations
    @inline()
  13. final def :+[B >: A](x: B)(implicit arg0: ClassTag[B]): Array[B]
    Implicit
    This member is added by an implicit conversion from Array[T] toArrayOps[T] performed by method genericArrayOps in scala.Predef.
    Definition Classes
    ArrayOps
    Annotations
    @inline()
  14. final def :+[B >: A](elem: B): collection.immutable.IndexedSeq[B]

    Alias for appended

    Alias for appended

    Note that :-ending operators are right associative (see example). A mnemonic for +: vs. :+ is: the COLon goes on the COLlection side.

    Implicit
    This member is added by an implicit conversion from Array[T] toIndexedSeq[T] performed by method copyArrayToImmutableIndexedSeq in scala.LowPriorityImplicits2.
    Definition Classes
    SeqOps
    Annotations
    @inline()
  15. final def :++[B >: A](suffix: Array[_ <: B])(implicit arg0: ClassTag[B]): Array[B]
    Implicit
    This member is added by an implicit conversion from Array[T] toArrayOps[T] performed by method genericArrayOps in scala.Predef.
    Definition Classes
    ArrayOps
    Annotations
    @inline()
  16. final def :++[B >: A](suffix: collection.IterableOnce[B])(implicit arg0: ClassTag[B]): Array[B]
    Implicit
    This member is added by an implicit conversion from Array[T] toArrayOps[T] performed by method genericArrayOps in scala.Predef.
    Definition Classes
    ArrayOps
    Annotations
    @inline()
  17. final def :++[B >: A](suffix: collection.IterableOnce[B]): collection.immutable.IndexedSeq[B]

    Alias for appendedAll

    Alias for appendedAll

    Implicit
    This member is added by an implicit conversion from Array[T] toIndexedSeq[T] performed by method copyArrayToImmutableIndexedSeq in scala.LowPriorityImplicits2.
    Definition Classes
    SeqOps
    Annotations
    @inline()
  18. final def ==(arg0: Any): Boolean

    The expression x == that is equivalent to if (x eq null) that eq null else x.equals(that).

    The expression x == that is equivalent to if (x eq null) that eq null else x.equals(that).

    returns

    true if the receiver object is equivalent to the argument; false otherwise.

    Definition Classes
    AnyRef → Any
  19. final def addString(b: collection.mutable.StringBuilder): collection.mutable.StringBuilder

    Appends all elements of this immutable sequence to a string builder.

    Appends all elements of this immutable sequence to a string builder. The written text consists of the string representations (w.r.t. the method toString) of all elements of this immutable sequence without any separator string.

    Example:

    scala> val a = List(1,2,3,4)
    a: List[Int] = List(1, 2, 3, 4)
    
    scala> val b = new StringBuilder()
    b: StringBuilder =
    
    scala> val h = a.addString(b)
    h: StringBuilder = 1234
    b

    the string builder to which elements are appended.

    returns

    the string builder b to which elements were appended.

    Implicit
    This member is added by an implicit conversion from Array[T] toIndexedSeq[T] performed by method copyArrayToImmutableIndexedSeq in scala.LowPriorityImplicits2.
    Definition Classes
    IterableOnceOps
    Annotations
    @inline()
  20. final def addString(b: collection.mutable.StringBuilder, sep: String): collection.mutable.StringBuilder

    Appends all elements of this immutable sequence to a string builder using a separator string.

    Appends all elements of this immutable sequence to a string builder using a separator string. The written text consists of the string representations (w.r.t. the method toString) of all elements of this immutable sequence, separated by the string sep.

    Example:

    scala> val a = List(1,2,3,4)
    a: List[Int] = List(1, 2, 3, 4)
    
    scala> val b = new StringBuilder()
    b: StringBuilder =
    
    scala> a.addString(b, ", ")
    res0: StringBuilder = 1, 2, 3, 4
    b

    the string builder to which elements are appended.

    sep

    the separator string.

    returns

    the string builder b to which elements were appended.

    Implicit
    This member is added by an implicit conversion from Array[T] toIndexedSeq[T] performed by method copyArrayToImmutableIndexedSeq in scala.LowPriorityImplicits2.
    Definition Classes
    IterableOnceOps
    Annotations
    @inline()
  21. def addString(b: collection.mutable.StringBuilder, start: String, sep: String, end: String): collection.mutable.StringBuilder

    Appends all elements of this immutable sequence to a string builder using start, end, and separator strings.

    Appends all elements of this immutable sequence to a string builder using start, end, and separator strings. The written text begins with the string start and ends with the string end. Inside, the string representations (w.r.t. the method toString) of all elements of this immutable sequence are separated by the string sep.

    Example:

    scala> val a = List(1,2,3,4)
    a: List[Int] = List(1, 2, 3, 4)
    
    scala> val b = new StringBuilder()
    b: StringBuilder =
    
    scala> a.addString(b , "List(" , ", " , ")")
    res5: StringBuilder = List(1, 2, 3, 4)
    b

    the string builder to which elements are appended.

    start

    the starting string.

    sep

    the separator string.

    end

    the ending string.

    returns

    the string builder b to which elements were appended.

    Implicit
    This member is added by an implicit conversion from Array[T] toIndexedSeq[T] performed by method copyArrayToImmutableIndexedSeq in scala.LowPriorityImplicits2.
    Definition Classes
    IterableOnceOps
  22. def andThen[C](k: PartialFunction[T, C]): PartialFunction[Int, C]

    Composes this partial function with another partial function that gets applied to results of this partial function.

    Composes this partial function with another partial function that gets applied to results of this partial function.

    Note that calling isDefinedAt on the resulting partial function may apply the first partial function and execute its side effect. For efficiency, it is recommended to call applyOrElse instead of isDefinedAt or apply.

    C

    the result type of the transformation function.

    k

    the transformation function

    returns

    a partial function with the domain of this partial function narrowed by other partial function, which maps arguments x to k(this(x)).

    Implicit
    This member is added by an implicit conversion from Array[T] toIndexedSeq[T] performed by method copyArrayToImmutableIndexedSeq in scala.LowPriorityImplicits2.
    Definition Classes
    PartialFunction
  23. def andThen[C](k: (T) => C): PartialFunction[Int, C]

    Composes this partial function with a transformation function that gets applied to results of this partial function.

    Composes this partial function with a transformation function that gets applied to results of this partial function.

    If the runtime type of the function is a PartialFunction then the other andThen method is used (note its cautions).

    C

    the result type of the transformation function.

    k

    the transformation function

    returns

    a partial function with the domain of this partial function, possibly narrowed by the specified function, which maps arguments x to k(this(x)).

    Implicit
    This member is added by an implicit conversion from Array[T] toIndexedSeq[T] performed by method copyArrayToImmutableIndexedSeq in scala.LowPriorityImplicits2.
    Definition Classes
    PartialFunctionFunction1
  24. def appended[B >: A](x: B)(implicit arg0: ClassTag[B]): Array[B]

    A copy of this array with an element appended.

    A copy of this array with an element appended.

    Implicit
    This member is added by an implicit conversion from Array[T] toArrayOps[T] performed by method genericArrayOps in scala.Predef.
    Definition Classes
    ArrayOps
  25. def appended[B >: A](elem: B): collection.immutable.IndexedSeq[B]

    A copy of this immutable sequence with an element appended.

    A copy of this immutable sequence with an element appended.

    Note: will not terminate for infinite-sized collections.

    Example:

    scala> val a = List(1)
    a: List[Int] = List(1)
    
    scala> val b = a :+ 2
    b: List[Int] = List(1, 2)
    
    scala> println(a)
    List(1)
    B

    the element type of the returned immutable sequence.

    elem

    the appended element

    returns

    a new immutable sequence consisting of all elements of this immutable sequence followed by value.

    Implicit
    This member is added by an implicit conversion from Array[T] toIndexedSeq[T] performed by method copyArrayToImmutableIndexedSeq in scala.LowPriorityImplicits2.
    Definition Classes
    SeqOps
  26. def appendedAll[B >: A](suffix: Array[_ <: B])(implicit arg0: ClassTag[B]): Array[B]

    A copy of this array with all elements of an array appended.

    A copy of this array with all elements of an array appended.

    Implicit
    This member is added by an implicit conversion from Array[T] toArrayOps[T] performed by method genericArrayOps in scala.Predef.
    Definition Classes
    ArrayOps
  27. def appendedAll[B >: A](suffix: collection.IterableOnce[B])(implicit arg0: ClassTag[B]): Array[B]

    A copy of this array with all elements of a collection appended.

    A copy of this array with all elements of a collection appended.

    Implicit
    This member is added by an implicit conversion from Array[T] toArrayOps[T] performed by method genericArrayOps in scala.Predef.
    Definition Classes
    ArrayOps
  28. def appendedAll[B >: A](suffix: collection.IterableOnce[B]): collection.immutable.IndexedSeq[B]

    Returns a new immutable sequence containing the elements from the left hand operand followed by the elements from the right hand operand.

    Returns a new immutable sequence containing the elements from the left hand operand followed by the elements from the right hand operand. The element type of the immutable sequence is the most specific superclass encompassing the element types of the two operands.

    B

    the element type of the returned collection.

    suffix

    the iterable to append.

    returns

    a new collection of type CC[B] which contains all elements of this immutable sequence followed by all elements of suffix.

    Implicit
    This member is added by an implicit conversion from Array[T] toIndexedSeq[T] performed by method copyArrayToImmutableIndexedSeq in scala.LowPriorityImplicits2.
    Definition Classes
    SeqOps
  29. def apply(i: Int): T

    The element at given index.

    The element at given index.

    Indices start at 0; xs.apply(0) is the first element of array xs. Note the indexing syntax xs(i) is a shorthand for xs.apply(i).

    i

    the index

    returns

    the element at the given index

    Exceptions thrown

    ArrayIndexOutOfBoundsException if i < 0 or length <= i

  30. def applyOrElse[A1 <: A, B1 >: B](x: A1, default: (A1) => B1): B1

    Applies this partial function to the given argument when it is contained in the function domain.

    Applies this partial function to the given argument when it is contained in the function domain. Applies fallback function where this partial function is not defined.

    Note that expression pf.applyOrElse(x, default) is equivalent to

    if(pf isDefinedAt x) pf(x) else default(x)

    except that applyOrElse method can be implemented more efficiently. For all partial function literals the compiler generates an applyOrElse implementation which avoids double evaluation of pattern matchers and guards. This makes applyOrElse the basis for the efficient implementation for many operations and scenarios, such as:

    • combining partial functions into orElse/andThen chains does not lead to excessive apply/isDefinedAt evaluation
    • lift and unlift do not evaluate source functions twice on each invocation
    • runWith allows efficient imperative-style combining of partial functions with conditionally applied actions

    For non-literal partial function classes with nontrivial isDefinedAt method it is recommended to override applyOrElse with custom implementation that avoids double isDefinedAt evaluation. This may result in better performance and more predictable behavior w.r.t. side effects.

    x

    the function argument

    default

    the fallback function

    returns

    the result of this function or fallback function application.

    Implicit
    This member is added by an implicit conversion from Array[T] toIndexedSeq[T] performed by method copyArrayToImmutableIndexedSeq in scala.LowPriorityImplicits2.
    Definition Classes
    PartialFunction
  31. final def asInstanceOf[T0]: T0

    Cast the receiver object to be of type T0.

    Cast the receiver object to be of type T0.

    Note that the success of a cast at runtime is modulo Scala's erasure semantics. Therefore the expression 1.asInstanceOf[String] will throw a ClassCastException at runtime, while the expression List(1).asInstanceOf[List[String]] will not. In the latter example, because the type argument is erased as part of compilation it is not possible to check whether the contents of the list are of the requested type.

    returns

    the receiver object.

    Definition Classes
    Any
    Exceptions thrown

    ClassCastException if the receiver object is not an instance of the erasure of type T0.

  32. def canEqual(that: Any): Boolean

    A method that should be called from every well-designed equals method that is open to be overridden in a subclass.

    A method that should be called from every well-designed equals method that is open to be overridden in a subclass. See Programming in Scala, Chapter 28 for discussion and design.

    that

    the value being probed for possible equality

    returns

    true if this instance can possibly equal that, otherwise false

    Implicit
    This member is added by an implicit conversion from Array[T] toIndexedSeq[T] performed by method copyArrayToImmutableIndexedSeq in scala.LowPriorityImplicits2.
    Definition Classes
    IndexedSeqSeqEquals
  33. def clone(): Array[T]

    Clone the Array.

    Clone the Array.

    returns

    A clone of the Array.

    Definition Classes
    Array → AnyRef
  34. def collect[B](pf: PartialFunction[T, B])(implicit arg0: ClassTag[B]): Array[B]

    Builds a new array by applying a partial function to all elements of this array on which the function is defined.

    Builds a new array by applying a partial function to all elements of this array on which the function is defined.

    B

    the element type of the returned array.

    pf

    the partial function which filters and maps the array.

    returns

    a new array resulting from applying the given partial function pf to each element on which it is defined and collecting the results. The order of the elements is preserved.

    Implicit
    This member is added by an implicit conversion from Array[T] toArrayOps[T] performed by method genericArrayOps in scala.Predef.
    Definition Classes
    ArrayOps
  35. def collect[B](pf: PartialFunction[T, B]): collection.immutable.IndexedSeq[B]

    Builds a new immutable sequence by applying a partial function to all elements of this immutable sequence on which the function is defined.

    Builds a new immutable sequence by applying a partial function to all elements of this immutable sequence on which the function is defined.

    B

    the element type of the returned immutable sequence.

    pf

    the partial function which filters and maps the immutable sequence.

    returns

    a new immutable sequence resulting from applying the given partial function pf to each element on which it is defined and collecting the results. The order of the elements is preserved.

    Implicit
    This member is added by an implicit conversion from Array[T] toIndexedSeq[T] performed by method copyArrayToImmutableIndexedSeq in scala.LowPriorityImplicits2.
    Definition Classes
    IterableOpsIterableOnceOps
  36. def collectFirst[B](f: PartialFunction[T, B]): Option[B]

    Finds the first element of the array for which the given partial function is defined, and applies the partial function to it.

    Finds the first element of the array for which the given partial function is defined, and applies the partial function to it.

    Implicit
    This member is added by an implicit conversion from Array[T] toArrayOps[T] performed by method genericArrayOps in scala.Predef.
    Definition Classes
    ArrayOps
  37. def collectFirst[B](pf: PartialFunction[T, B]): Option[B]

    Finds the first element of the immutable sequence for which the given partial function is defined, and applies the partial function to it.

    Finds the first element of the immutable sequence for which the given partial function is defined, and applies the partial function to it.

    Note: may not terminate for infinite-sized collections.

    pf

    the partial function

    returns

    an option value containing pf applied to the first value for which it is defined, or None if none exists.

    Implicit
    This member is added by an implicit conversion from Array[T] toIndexedSeq[T] performed by method copyArrayToImmutableIndexedSeq in scala.LowPriorityImplicits2.
    Definition Classes
    IterableOnceOps
    Example:
    1. Seq("a", 1, 5L).collectFirst({ case x: Int => x*10 }) = Some(10)

  38. def compose[R](k: PartialFunction[R, Int]): PartialFunction[R, T]

    Composes another partial function k with this partial function so that this partial function gets applied to results of k.

    Composes another partial function k with this partial function so that this partial function gets applied to results of k.

    Note that calling isDefinedAt on the resulting partial function may apply the first partial function and execute its side effect. For efficiency, it is recommended to call applyOrElse instead of isDefinedAt or apply.

    R

    the parameter type of the transformation function.

    k

    the transformation function

    returns

    a partial function with the domain of other partial function narrowed by this partial function, which maps arguments x to this(k(x)).

    Implicit
    This member is added by an implicit conversion from Array[T] toIndexedSeq[T] performed by method copyArrayToImmutableIndexedSeq in scala.LowPriorityImplicits2.
    Definition Classes
    PartialFunction
  39. def compose[A](g: (A) => Int): (A) => T

    Composes two instances of Function1 in a new Function1, with this function applied last.

    Composes two instances of Function1 in a new Function1, with this function applied last.

    A

    the type to which function g can be applied

    g

    a function A => T1

    returns

    a new function f such that f(x) == apply(g(x))

    Implicit
    This member is added by an implicit conversion from Array[T] toIndexedSeq[T] performed by method copyArrayToImmutableIndexedSeq in scala.LowPriorityImplicits2.
    Definition Classes
    Function1
    Annotations
    @unspecialized()
  40. final def concat[B >: A](suffix: Array[_ <: B])(implicit arg0: ClassTag[B]): Array[B]
    Implicit
    This member is added by an implicit conversion from Array[T] toArrayOps[T] performed by method genericArrayOps in scala.Predef.
    Definition Classes
    ArrayOps
    Annotations
    @inline()
  41. final def concat[B >: A](suffix: collection.IterableOnce[B])(implicit arg0: ClassTag[B]): Array[B]
    Implicit
    This member is added by an implicit conversion from Array[T] toArrayOps[T] performed by method genericArrayOps in scala.Predef.
    Definition Classes
    ArrayOps
    Annotations
    @inline()
  42. final def concat[B >: A](suffix: collection.IterableOnce[B]): collection.immutable.IndexedSeq[B]

    Returns a new immutable sequence containing the elements from the left hand operand followed by the elements from the right hand operand.

    Returns a new immutable sequence containing the elements from the left hand operand followed by the elements from the right hand operand. The element type of the immutable sequence is the most specific superclass encompassing the element types of the two operands.

    B

    the element type of the returned collection.

    suffix

    the traversable to append.

    returns

    a new immutable sequence which contains all elements of this immutable sequence followed by all elements of suffix.

    Implicit
    This member is added by an implicit conversion from Array[T] toIndexedSeq[T] performed by method copyArrayToImmutableIndexedSeq in scala.LowPriorityImplicits2.
    Definition Classes
    SeqOpsIterableOps
    Annotations
    @inline()
  43. def containsSlice[B >: A](that: collection.Seq[B]): Boolean

    Tests whether this immutable sequence contains a given sequence as a slice.

    Tests whether this immutable sequence contains a given sequence as a slice.

    Note: may not terminate for infinite-sized collections.

    that

    the sequence to test

    returns

    true if this immutable sequence contains a slice with the same elements as that, otherwise false.

    Implicit
    This member is added by an implicit conversion from Array[T] toIndexedSeq[T] performed by method copyArrayToImmutableIndexedSeq in scala.LowPriorityImplicits2.
    Definition Classes
    SeqOps
  44. def copyToArray[B >: A](xs: Array[B], start: Int, len: Int): Int

    Copy elements of this array to another array.

    Copy elements of this array to another array. Fills the given array xs starting at index start with at most len values. Copying will stop once either all the elements of this array have been copied, or the end of the array is reached, or len elements have been copied.

    B

    the type of the elements of the array.

    xs

    the array to fill.

    start

    the starting index within the destination array.

    len

    the maximal number of elements to copy.

    Implicit
    This member is added by an implicit conversion from Array[T] toArrayOps[T] performed by method genericArrayOps in scala.Predef.
    Definition Classes
    ArrayOps
  45. def copyToArray[B >: A](xs: Array[B], start: Int): Int

    Copy elements of this array to another array.

    Copy elements of this array to another array. Fills the given array xs starting at index start. Copying will stop once either all the elements of this array have been copied, or the end of the array is reached.

    B

    the type of the elements of the array.

    xs

    the array to fill.

    start

    the starting index within the destination array.

    Implicit
    This member is added by an implicit conversion from Array[T] toArrayOps[T] performed by method genericArrayOps in scala.Predef.
    Definition Classes
    ArrayOps
  46. def copyToArray[B >: A](xs: Array[B]): Int

    Copy elements of this array to another array.

    Copy elements of this array to another array. Fills the given array xs starting at index 0. Copying will stop once either all the elements of this array have been copied, or the end of the array is reached.

    B

    the type of the elements of the array.

    xs

    the array to fill.

    Implicit
    This member is added by an implicit conversion from Array[T] toArrayOps[T] performed by method genericArrayOps in scala.Predef.
    Definition Classes
    ArrayOps
  47. def copyToArray[B >: A](xs: Array[B], start: Int, len: Int): Int

    Copy elements to an array, returning the number of elements written.

    Copy elements to an array, returning the number of elements written.

    Fills the given array xs starting at index start with at most len elements of this immutable sequence.

    Copying will stop once either all the elements of this immutable sequence have been copied, or the end of the array is reached, or len elements have been copied.

    B

    the type of the elements of the array.

    xs

    the array to fill.

    start

    the starting index of xs.

    len

    the maximal number of elements to copy.

    returns

    the number of elements written to the array

    Implicit
    This member is added by an implicit conversion from Array[T] toIndexedSeq[T] performed by method copyArrayToImmutableIndexedSeq in scala.LowPriorityImplicits2.
    Definition Classes
    IterableOnceOps
    Note

    Reuse: After calling this method, one should discard the iterator it was called on. Using it is undefined and subject to change.

  48. def copyToArray[B >: A](xs: Array[B], start: Int): Int

    Copy elements to an array, returning the number of elements written.

    Copy elements to an array, returning the number of elements written.

    Fills the given array xs starting at index start with values of this immutable sequence.

    Copying will stop once either all the elements of this immutable sequence have been copied, or the end of the array is reached.

    B

    the type of the elements of the array.

    xs

    the array to fill.

    start

    the starting index of xs.

    returns

    the number of elements written to the array

    Implicit
    This member is added by an implicit conversion from Array[T] toIndexedSeq[T] performed by method copyArrayToImmutableIndexedSeq in scala.LowPriorityImplicits2.
    Definition Classes
    IterableOnceOps
    Annotations
    @deprecatedOverriding()
    Note

    Reuse: After calling this method, one should discard the iterator it was called on. Using it is undefined and subject to change.

  49. def copyToArray[B >: A](xs: Array[B]): Int

    Copy elements to an array, returning the number of elements written.

    Copy elements to an array, returning the number of elements written.

    Fills the given array xs starting at index start with values of this immutable sequence.

    Copying will stop once either all the elements of this immutable sequence have been copied, or the end of the array is reached.

    B

    the type of the elements of the array.

    xs

    the array to fill.

    returns

    the number of elements written to the array

    Implicit
    This member is added by an implicit conversion from Array[T] toIndexedSeq[T] performed by method copyArrayToImmutableIndexedSeq in scala.LowPriorityImplicits2.
    Definition Classes
    IterableOnceOps
    Annotations
    @deprecatedOverriding()
    Note

    Reuse: After calling this method, one should discard the iterator it was called on. Using it is undefined and subject to change.

  50. def corresponds[B](that: collection.Seq[B])(p: (T, B) => Boolean): Boolean

    Tests whether every element of this immutable sequence relates to the corresponding element of another sequence by satisfying a test predicate.

    Tests whether every element of this immutable sequence relates to the corresponding element of another sequence by satisfying a test predicate.

    B

    the type of the elements of that

    that

    the other sequence

    p

    the test predicate, which relates elements from both sequences

    returns

    true if both sequences have the same length and p(x, y) is true for all corresponding elements x of this immutable sequence and y of that, otherwise false.

    Implicit
    This member is added by an implicit conversion from Array[T] toIndexedSeq[T] performed by method copyArrayToImmutableIndexedSeq in scala.LowPriorityImplicits2.
    Definition Classes
    SeqOps
  51. def corresponds[B](that: collection.IterableOnce[B])(p: (T, B) => Boolean): Boolean

    Tests whether every element of this collection's iterator relates to the corresponding element of another collection by satisfying a test predicate.

    Tests whether every element of this collection's iterator relates to the corresponding element of another collection by satisfying a test predicate.

    Note: will not terminate for infinite-sized collections.

    B

    the type of the elements of that

    that

    the other collection

    p

    the test predicate, which relates elements from both collections

    returns

    true if both collections have the same length and p(x, y) is true for all corresponding elements x of this iterator and y of that, otherwise false

    Implicit
    This member is added by an implicit conversion from Array[T] toIndexedSeq[T] performed by method copyArrayToImmutableIndexedSeq in scala.LowPriorityImplicits2.
    Definition Classes
    IterableOnceOps
  52. def diff[B >: A](that: collection.Seq[B]): Array[T]

    Computes the multiset difference between this array and another sequence.

    Computes the multiset difference between this array and another sequence.

    that

    the sequence of elements to remove

    returns

    a new array which contains all elements of this array except some of occurrences of elements that also appear in that. If an element value x appears n times in that, then the first n occurrences of x will not form part of the result, but any following occurrences will.

    Implicit
    This member is added by an implicit conversion from Array[T] toArrayOps[T] performed by method genericArrayOps in scala.Predef.
    Definition Classes
    ArrayOps
  53. def diff[B >: A](that: collection.Seq[B]): collection.immutable.IndexedSeq[T]

    Computes the multiset difference between this immutable sequence and another sequence.

    Computes the multiset difference between this immutable sequence and another sequence.

    that

    the sequence of elements to remove

    returns

    a new immutable sequence which contains all elements of this immutable sequence except some of occurrences of elements that also appear in that. If an element value x appears n times in that, then the first n occurrences of x will not form part of the result, but any following occurrences will.

    Implicit
    This member is added by an implicit conversion from Array[T] toIndexedSeq[T] performed by method copyArrayToImmutableIndexedSeq in scala.LowPriorityImplicits2.
    Definition Classes
    SeqOps
  54. def distinctBy[B](f: (T) => B): Array[T]

    Selects all the elements of this array ignoring the duplicates as determined by == after applying the transforming function f.

    Selects all the elements of this array ignoring the duplicates as determined by == after applying the transforming function f.

    B

    the type of the elements after being transformed by f

    f

    The transforming function whose result is used to determine the uniqueness of each element

    returns

    a new array consisting of all the elements of this array without duplicates.

    Implicit
    This member is added by an implicit conversion from Array[T] toArrayOps[T] performed by method genericArrayOps in scala.Predef.
    Definition Classes
    ArrayOps
  55. def distinctBy[B](f: (T) => B): collection.immutable.IndexedSeq[T]

    Selects all the elements of this immutable sequence ignoring the duplicates as determined by == after applying the transforming function f.

    Selects all the elements of this immutable sequence ignoring the duplicates as determined by == after applying the transforming function f.

    B

    the type of the elements after being transformed by f

    f

    The transforming function whose result is used to determine the uniqueness of each element

    returns

    a new immutable sequence consisting of all the elements of this immutable sequence without duplicates.

    Implicit
    This member is added by an implicit conversion from Array[T] toIndexedSeq[T] performed by method copyArrayToImmutableIndexedSeq in scala.LowPriorityImplicits2.
    Definition Classes
    SeqOps
  56. def elementWise: ElementWiseExtractor[Int, T]

    Returns an extractor object with a unapplySeq method, which extracts each element of a sequence data.

    Returns an extractor object with a unapplySeq method, which extracts each element of a sequence data.

    Implicit
    This member is added by an implicit conversion from Array[T] toIndexedSeq[T] performed by method copyArrayToImmutableIndexedSeq in scala.LowPriorityImplicits2.
    Definition Classes
    PartialFunction
    Example:
    1. val firstChar: String => Option[Char] = _.headOption
      
      Seq("foo", "bar", "baz") match {
        case firstChar.unlift.elementWise(c0, c1, c2) =>
          println(s"$c0, $c1, $c2") // Output: f, b, b
      }
  57. def empty: collection.immutable.IndexedSeq[T]

    The empty iterable of the same type as this iterable

    The empty iterable of the same type as this iterable

    returns

    an empty iterable of type C.

    Implicit
    This member is added by an implicit conversion from Array[T] toIndexedSeq[T] performed by method copyArrayToImmutableIndexedSeq in scala.LowPriorityImplicits2.
    Definition Classes
    IterableFactoryDefaultsIterableOps
  58. def endsWith[B >: A](that: collection.Iterable[B]): Boolean

    Tests whether this array ends with the given sequence.

    Tests whether this array ends with the given sequence.

    that

    the sequence to test

    returns

    true if this array has that as a suffix, false otherwise.

    Implicit
    This member is added by an implicit conversion from Array[T] toArrayOps[T] performed by method genericArrayOps in scala.Predef.
    Definition Classes
    ArrayOps
  59. def endsWith[B >: A](that: Array[B]): Boolean

    Tests whether this array ends with the given array.

    Tests whether this array ends with the given array.

    that

    the array to test

    returns

    true if this array has that as a suffix, false otherwise.

    Implicit
    This member is added by an implicit conversion from Array[T] toArrayOps[T] performed by method genericArrayOps in scala.Predef.
    Definition Classes
    ArrayOps
  60. def endsWith[B >: A](that: collection.Iterable[B]): Boolean

    Tests whether this immutable sequence ends with the given sequence.

    Tests whether this immutable sequence ends with the given sequence.

    Note: will not terminate for infinite-sized collections.

    that

    the sequence to test

    returns

    true if this immutable sequence has that as a suffix, false otherwise.

    Implicit
    This member is added by an implicit conversion from Array[T] toIndexedSeq[T] performed by method copyArrayToImmutableIndexedSeq in scala.LowPriorityImplicits2.
    Definition Classes
    SeqOps
  61. def ensuring(cond: (Array[T]) => Boolean, msg: => Any): Array[T]
    Implicit
    This member is added by an implicit conversion from Array[T] toEnsuring[Array[T]] performed by method Ensuring in scala.Predef.
    Definition Classes
    Ensuring
  62. def ensuring(cond: (Array[T]) => Boolean): Array[T]
    Implicit
    This member is added by an implicit conversion from Array[T] toEnsuring[Array[T]] performed by method Ensuring in scala.Predef.
    Definition Classes
    Ensuring
  63. def ensuring(cond: Boolean, msg: => Any): Array[T]
    Implicit
    This member is added by an implicit conversion from Array[T] toEnsuring[Array[T]] performed by method Ensuring in scala.Predef.
    Definition Classes
    Ensuring
  64. def ensuring(cond: Boolean): Array[T]
    Implicit
    This member is added by an implicit conversion from Array[T] toEnsuring[Array[T]] performed by method Ensuring in scala.Predef.
    Definition Classes
    Ensuring
  65. final def eq(arg0: AnyRef): Boolean

    Tests whether the argument (that) is a reference to the receiver object (this).

    Tests whether the argument (that) is a reference to the receiver object (this).

    The eq method implements an equivalence relation on non-null instances of AnyRef, and has three additional properties:

    • It is consistent: for any non-null instances x and y of type AnyRef, multiple invocations of x.eq(y) consistently returns true or consistently returns false.
    • For any non-null instance x of type AnyRef, x.eq(null) and null.eq(x) returns false.
    • null.eq(null) returns true.

    When overriding the equals or hashCode methods, it is important to ensure that their behavior is consistent with reference equality. Therefore, if two objects are references to each other (o1 eq o2), they should be equal to each other (o1 == o2) and they should hash to the same value (o1.hashCode == o2.hashCode).

    returns

    true if the argument is a reference to the receiver object; false otherwise.

    Definition Classes
    AnyRef
  66. def equals(arg0: AnyRef): Boolean

    The equality method for reference types.

    The equality method for reference types. Default implementation delegates to eq.

    See also equals in scala.Any.

    returns

    true if the receiver object is equivalent to the argument; false otherwise.

    Definition Classes
    AnyRef → Any
  67. def finalize(): Unit

    Called by the garbage collector on the receiver object when there are no more references to the object.

    Called by the garbage collector on the receiver object when there are no more references to the object.

    The details of when and if the finalize method is invoked, as well as the interaction between finalize and non-local returns and exceptions, are all platform dependent.

    Attributes
    protected[lang]
    Definition Classes
    AnyRef
    Annotations
    @throws(classOf[java.lang.Throwable])
    Note

    not specified by SLS as a member of AnyRef

  68. def findLast(p: (T) => Boolean): Option[T]

    Finds the last element of the immutable sequence satisfying a predicate, if any.

    Finds the last element of the immutable sequence satisfying a predicate, if any.

    Note: will not terminate for infinite-sized collections.

    p

    the predicate used to test elements.

    returns

    an option value containing the last element in the immutable sequence that satisfies p, or None if none exists.

    Implicit
    This member is added by an implicit conversion from Array[T] toIndexedSeq[T] performed by method copyArrayToImmutableIndexedSeq in scala.LowPriorityImplicits2.
    Definition Classes
    SeqOps
  69. def flatMap[BS, B](f: (T) => BS)(implicit asIterable: (BS) => collection.Iterable[B], m: ClassTag[B]): Array[B]
    Implicit
    This member is added by an implicit conversion from Array[T] toArrayOps[T] performed by method genericArrayOps in scala.Predef.
    Definition Classes
    ArrayOps
  70. def flatMap[B](f: (T) => collection.IterableOnce[B])(implicit arg0: ClassTag[B]): Array[B]

    Builds a new array by applying a function to all elements of this array and using the elements of the resulting collections.

    Builds a new array by applying a function to all elements of this array and using the elements of the resulting collections.

    B

    the element type of the returned array.

    f

    the function to apply to each element.

    returns

    a new array resulting from applying the given collection-valued function f to each element of this array and concatenating the results.

    Implicit
    This member is added by an implicit conversion from Array[T] toArrayOps[T] performed by method genericArrayOps in scala.Predef.
    Definition Classes
    ArrayOps
  71. def flatMap[B](f: (T) => collection.IterableOnce[B]): collection.immutable.IndexedSeq[B]

    Builds a new immutable sequence by applying a function to all elements of this immutable sequence and using the elements of the resulting collections.

    Builds a new immutable sequence by applying a function to all elements of this immutable sequence and using the elements of the resulting collections.

    For example:

    def getWords(lines: Seq[String]): Seq[String] = lines flatMap (line => line split "\\W+")

    The type of the resulting collection is guided by the static type of immutable sequence. This might cause unexpected results sometimes. For example:

    // lettersOf will return a Seq[Char] of likely repeated letters, instead of a Set
    def lettersOf(words: Seq[String]) = words flatMap (word => word.toSet)
    
    // lettersOf will return a Set[Char], not a Seq
    def lettersOf(words: Seq[String]) = words.toSet flatMap ((word: String) => word.toSeq)
    
    // xs will be an Iterable[Int]
    val xs = Map("a" -> List(11,111), "b" -> List(22,222)).flatMap(_._2)
    
    // ys will be a Map[Int, Int]
    val ys = Map("a" -> List(1 -> 11,1 -> 111), "b" -> List(2 -> 22,2 -> 222)).flatMap(_._2)
    B

    the element type of the returned collection.

    f

    the function to apply to each element.

    returns

    a new immutable sequence resulting from applying the given collection-valued function f to each element of this immutable sequence and concatenating the results.

    Implicit
    This member is added by an implicit conversion from Array[T] toIndexedSeq[T] performed by method copyArrayToImmutableIndexedSeq in scala.LowPriorityImplicits2.
    Definition Classes
    IterableOpsIterableOnceOps
  72. def flatten[B](implicit asIterable: (T) => collection.IterableOnce[B], m: ClassTag[B]): Array[B]

    Flattens a two-dimensional array by concatenating all its rows into a single array.

    Flattens a two-dimensional array by concatenating all its rows into a single array.

    B

    Type of row elements.

    asIterable

    A function that converts elements of this array to rows - Iterables of type B.

    returns

    An array obtained by concatenating rows of this array.

    Implicit
    This member is added by an implicit conversion from Array[T] toArrayOps[T] performed by method genericArrayOps in scala.Predef.
    Definition Classes
    ArrayOps
  73. def flatten[B](implicit asIterable: (T) => collection.IterableOnce[B]): collection.immutable.IndexedSeq[B]

    Converts this immutable sequence of traversable collections into a immutable sequence formed by the elements of these traversable collections.

    Converts this immutable sequence of traversable collections into a immutable sequence formed by the elements of these traversable collections.

    The resulting collection's type will be guided by the type of immutable sequence. For example:

    val xs = List(
               Set(1, 2, 3),
               Set(1, 2, 3)
             ).flatten
    // xs == List(1, 2, 3, 1, 2, 3)
    
    val ys = Set(
               List(1, 2, 3),
               List(3, 2, 1)
             ).flatten
    // ys == Set(1, 2, 3)
    B

    the type of the elements of each traversable collection.

    asIterable

    an implicit conversion which asserts that the element type of this immutable sequence is a GenTraversable.

    returns

    a new immutable sequence resulting from concatenating all element immutable sequences.

    Implicit
    This member is added by an implicit conversion from Array[T] toIndexedSeq[T] performed by method copyArrayToImmutableIndexedSeq in scala.LowPriorityImplicits2.
    Definition Classes
    IterableOpsIterableOnceOps
  74. def fold[A1 >: A](z: A1)(op: (A1, A1) => A1): A1

    Folds the elements of this array using the specified associative binary operator.

    Folds the elements of this array using the specified associative binary operator.

    A1

    a type parameter for the binary operator, a supertype of A.

    z

    a neutral element for the fold operation; may be added to the result an arbitrary number of times, and must not change the result (e.g., Nil for list concatenation, 0 for addition, or 1 for multiplication).

    op

    a binary operator that must be associative.

    returns

    the result of applying the fold operator op between all the elements, or z if this array is empty.

    Implicit
    This member is added by an implicit conversion from Array[T] toArrayOps[T] performed by method genericArrayOps in scala.Predef.
    Definition Classes
    ArrayOps
  75. def fold[A1 >: A](z: A1)(op: (A1, A1) => A1): A1

    Folds the elements of this immutable sequence using the specified associative binary operator.

    Folds the elements of this immutable sequence using the specified associative binary operator. The default implementation in IterableOnce is equivalent to foldLeft but may be overridden for more efficient traversal orders.

    The order in which operations are performed on elements is unspecified and may be nondeterministic.

    Note: will not terminate for infinite-sized collections.

    A1

    a type parameter for the binary operator, a supertype of A.

    z

    a neutral element for the fold operation; may be added to the result an arbitrary number of times, and must not change the result (e.g., Nil for list concatenation, 0 for addition, or 1 for multiplication).

    op

    a binary operator that must be associative.

    returns

    the result of applying the fold operator op between all the elements and z, or z if this immutable sequence is empty.

    Implicit
    This member is added by an implicit conversion from Array[T] toIndexedSeq[T] performed by method copyArrayToImmutableIndexedSeq in scala.LowPriorityImplicits2.
    Definition Classes
    IterableOnceOps
  76. def foldLeft[B](z: B)(op: (B, T) => B): B

    Applies a binary operator to a start value and all elements of this array, going left to right.

    Applies a binary operator to a start value and all elements of this array, going left to right.

    B

    the result type of the binary operator.

    z

    the start value.

    op

    the binary operator.

    returns

    the result of inserting op between consecutive elements of this array, going left to right with the start value z on the left:

    op(...op(z, x_1), x_2, ..., x_n)

    where x1, ..., xn are the elements of this array. Returns z if this array is empty.

    Implicit
    This member is added by an implicit conversion from Array[T] toArrayOps[T] performed by method genericArrayOps in scala.Predef.
    Definition Classes
    ArrayOps
  77. def foldLeft[B](z: B)(op: (B, T) => B): B

    Applies a binary operator to a start value and all elements of this immutable sequence, going left to right.

    Applies a binary operator to a start value and all elements of this immutable sequence, going left to right.

    Note: will not terminate for infinite-sized collections.

    B

    the result type of the binary operator.

    z

    the start value.

    op

    the binary operator.

    returns

    the result of inserting op between consecutive elements of this immutable sequence, going left to right with the start value z on the left: op(...op(z, x1), x2, ..., xn) where x1, ..., xn are the elements of this immutable sequence. Returns z if this immutable sequence is empty.

    Implicit
    This member is added by an implicit conversion from Array[T] toIndexedSeq[T] performed by method copyArrayToImmutableIndexedSeq in scala.LowPriorityImplicits2.
    Definition Classes
    IterableOnceOps
  78. def foldRight[B](z: B)(op: (T, B) => B): B

    Applies a binary operator to all elements of this array and a start value, going right to left.

    Applies a binary operator to all elements of this array and a start value, going right to left.

    B

    the result type of the binary operator.

    z

    the start value.

    op

    the binary operator.

    returns

    the result of inserting op between consecutive elements of this array, going right to left with the start value z on the right:

    op(x_1, op(x_2, ... op(x_n, z)...))

    where x1, ..., xn are the elements of this array. Returns z if this array is empty.

    Implicit
    This member is added by an implicit conversion from Array[T] toArrayOps[T] performed by method genericArrayOps in scala.Predef.
    Definition Classes
    ArrayOps
  79. def foldRight[B](z: B)(op: (T, B) => B): B

    Applies a binary operator to all elements of this immutable sequence and a start value, going right to left.

    Applies a binary operator to all elements of this immutable sequence and a start value, going right to left.

    Note: will not terminate for infinite-sized collections.

    B

    the result type of the binary operator.

    z

    the start value.

    op

    the binary operator.

    returns

    the result of inserting op between consecutive elements of this immutable sequence, going right to left with the start value z on the right: op(x1, op(x2, ... op(xn, z)...)) where x1, ..., xn are the elements of this immutable sequence. Returns z if this immutable sequence is empty.

    Implicit
    This member is added by an implicit conversion from Array[T] toIndexedSeq[T] performed by method copyArrayToImmutableIndexedSeq in scala.LowPriorityImplicits2.
    Definition Classes
    IndexedSeqOpsIterableOnceOps
  80. def foreach[U](f: (T) => U): Unit

    Apply f to each element for its side effects.

    Apply f to each element for its side effects. Note: [U] parameter needed to help scalac's type inference.

    Implicit
    This member is added by an implicit conversion from Array[T] toArrayOps[T] performed by method genericArrayOps in scala.Predef.
    Definition Classes
    ArrayOps
  81. def foreach[U](f: (T) => U): Unit

    Apply f to each element for its side effects Note: [U] parameter needed to help scalac's type inference.

    Apply f to each element for its side effects Note: [U] parameter needed to help scalac's type inference.

    Implicit
    This member is added by an implicit conversion from Array[T] toIndexedSeq[T] performed by method copyArrayToImmutableIndexedSeq in scala.LowPriorityImplicits2.
    Definition Classes
    IterableOnceOps
  82. final def getClass(): Class[_ <: AnyRef]

    Returns the runtime class representation of the object.

    Returns the runtime class representation of the object.

    returns

    a class object corresponding to the runtime type of the receiver.

    Definition Classes
    AnyRef → Any
    Annotations
    @native()
  83. def groupBy[K](f: (T) => K): Map[K, Array[T]]

    Partitions this array into a map of arrays according to some discriminator function.

    Partitions this array into a map of arrays according to some discriminator function.

    K

    the type of keys returned by the discriminator function.

    f

    the discriminator function.

    returns

    A map from keys to arrays such that the following invariant holds:

    (xs groupBy f)(k) = xs filter (x => f(x) == k)

    That is, every key k is bound to an array of those elements x for which f(x) equals k.

    Implicit
    This member is added by an implicit conversion from Array[T] toArrayOps[T] performed by method genericArrayOps in scala.Predef.
    Definition Classes
    ArrayOps
  84. def groupBy[K](f: (T) => K): Map[K, collection.immutable.IndexedSeq[T]]

    Partitions this immutable sequence into a map of immutable sequences according to some discriminator function.

    Partitions this immutable sequence into a map of immutable sequences according to some discriminator function.

    Note: Even when applied to a view or a lazy collection it will always force the elements.

    K

    the type of keys returned by the discriminator function.

    f

    the discriminator function.

    returns

    A map from keys to immutable sequences such that the following invariant holds:

    (xs groupBy f)(k) = xs filter (x => f(x) == k)

    That is, every key k is bound to a immutable sequence of those elements x for which f(x) equals k.

    Implicit
    This member is added by an implicit conversion from Array[T] toIndexedSeq[T] performed by method copyArrayToImmutableIndexedSeq in scala.LowPriorityImplicits2.
    Definition Classes
    IterableOps
  85. def groupMap[K, B](key: (T) => K)(f: (T) => B)(implicit arg0: ClassTag[B]): Map[K, Array[B]]

    Partitions this array into a map of arrays according to a discriminator function key.

    Partitions this array into a map of arrays according to a discriminator function key. Each element in a group is transformed into a value of type B using the value function.

    It is equivalent to groupBy(key).mapValues(_.map(f)), but more efficient.

    case class User(name: String, age: Int)
    
    def namesByAge(users: Array[User]): Map[Int, Array[String]] =
      users.groupMap(_.age)(_.name)
    K

    the type of keys returned by the discriminator function

    B

    the type of values returned by the transformation function

    key

    the discriminator function

    f

    the element transformation function

    Implicit
    This member is added by an implicit conversion from Array[T] toArrayOps[T] performed by method genericArrayOps in scala.Predef.
    Definition Classes
    ArrayOps
  86. def groupMap[K, B](key: (T) => K)(f: (T) => B): Map[K, collection.immutable.IndexedSeq[B]]

    Partitions this immutable sequence into a map of immutable sequences according to a discriminator function key.

    Partitions this immutable sequence into a map of immutable sequences according to a discriminator function key. Each element in a group is transformed into a value of type B using the value function.

    It is equivalent to groupBy(key).mapValues(_.map(f)), but more efficient.

    case class User(name: String, age: Int)
    
    def namesByAge(users: Seq[User]): Map[Int, Seq[String]] =
      users.groupMap(_.age)(_.name)

    Note: Even when applied to a view or a lazy collection it will always force the elements.

    K

    the type of keys returned by the discriminator function

    B

    the type of values returned by the transformation function

    key

    the discriminator function

    f

    the element transformation function

    Implicit
    This member is added by an implicit conversion from Array[T] toIndexedSeq[T] performed by method copyArrayToImmutableIndexedSeq in scala.LowPriorityImplicits2.
    Definition Classes
    IterableOps
  87. def groupMapReduce[K, B](key: (T) => K)(f: (T) => B)(reduce: (B, B) => B): Map[K, B]

    Partitions this immutable sequence into a map according to a discriminator function key.

    Partitions this immutable sequence into a map according to a discriminator function key. All the values that have the same discriminator are then transformed by the f function and then reduced into a single value with the reduce function.

    It is equivalent to groupBy(key).mapValues(_.map(f).reduce(reduce)), but more efficient.

    def occurrences[A](as: Seq[A]): Map[A, Int] =
      as.groupMapReduce(identity)(_ => 1)(_ + _)

    Note: Even when applied to a view or a lazy collection it will always force the elements.

    Implicit
    This member is added by an implicit conversion from Array[T] toIndexedSeq[T] performed by method copyArrayToImmutableIndexedSeq in scala.LowPriorityImplicits2.
    Definition Classes
    IterableOps
  88. def hashCode(): Int

    The hashCode method for reference types.

    The hashCode method for reference types. See hashCode in scala.Any.

    returns

    the hash code value for this object.

    Definition Classes
    AnyRef → Any
    Annotations
    @native()
  89. def indexOf[B >: A](elem: B): Int

    Finds index of first occurrence of some value in this immutable sequence.

    Finds index of first occurrence of some value in this immutable sequence.

    B

    the type of the element elem.

    elem

    the element value to search for.

    returns

    the index >= 0 of the first element of this immutable sequence that is equal (as determined by ==) to elem, or -1, if none exists.

    Implicit
    This member is added by an implicit conversion from Array[T] toIndexedSeq[T] performed by method copyArrayToImmutableIndexedSeq in scala.LowPriorityImplicits2.
    Definition Classes
    SeqOps
    Annotations
    @deprecatedOverriding()
  90. def indexOfSlice[B >: A](that: collection.Seq[B]): Int

    Finds first index where this immutable sequence contains a given sequence as a slice.

    Finds first index where this immutable sequence contains a given sequence as a slice.

    Note: may not terminate for infinite-sized collections.

    that

    the sequence to test

    returns

    the first index >= 0 such that the elements of this immutable sequence starting at this index match the elements of sequence that, or -1 of no such subsequence exists.

    Implicit
    This member is added by an implicit conversion from Array[T] toIndexedSeq[T] performed by method copyArrayToImmutableIndexedSeq in scala.LowPriorityImplicits2.
    Definition Classes
    SeqOps
    Annotations
    @deprecatedOverriding()
  91. def indexOfSlice[B >: A](that: collection.Seq[B], from: Int): Int

    Finds first index after or at a start index where this immutable sequence contains a given sequence as a slice.

    Finds first index after or at a start index where this immutable sequence contains a given sequence as a slice.

    Note: may not terminate for infinite-sized collections.

    that

    the sequence to test

    from

    the start index

    returns

    the first index >= from such that the elements of this immutable sequence starting at this index match the elements of sequence that, or -1 of no such subsequence exists.

    Implicit
    This member is added by an implicit conversion from Array[T] toIndexedSeq[T] performed by method copyArrayToImmutableIndexedSeq in scala.LowPriorityImplicits2.
    Definition Classes
    SeqOps
  92. def indexWhere(p: (T) => Boolean): Int

    Finds index of the first element satisfying some predicate.

    Finds index of the first element satisfying some predicate.

    Note: may not terminate for infinite-sized collections.

    p

    the predicate used to test elements.

    returns

    the index >= 0 of the first element of this immutable sequence that satisfies the predicate p, or -1, if none exists.

    Implicit
    This member is added by an implicit conversion from Array[T] toIndexedSeq[T] performed by method copyArrayToImmutableIndexedSeq in scala.LowPriorityImplicits2.
    Definition Classes
    SeqOps
    Annotations
    @deprecatedOverriding()
  93. def intersect[B >: A](that: collection.Seq[B]): Array[T]

    Computes the multiset intersection between this array and another sequence.

    Computes the multiset intersection between this array and another sequence.

    that

    the sequence of elements to intersect with.

    returns

    a new array which contains all elements of this array which also appear in that. If an element value x appears n times in that, then the first n occurrences of x will be retained in the result, but any following occurrences will be omitted.

    Implicit
    This member is added by an implicit conversion from Array[T] toArrayOps[T] performed by method genericArrayOps in scala.Predef.
    Definition Classes
    ArrayOps
  94. def intersect[B >: A](that: collection.Seq[B]): collection.immutable.IndexedSeq[T]

    Computes the multiset intersection between this immutable sequence and another sequence.

    Computes the multiset intersection between this immutable sequence and another sequence.

    that

    the sequence of elements to intersect with.

    returns

    a new immutable sequence which contains all elements of this immutable sequence which also appear in that. If an element value x appears n times in that, then the first n occurrences of x will be retained in the result, but any following occurrences will be omitted.

    Implicit
    This member is added by an implicit conversion from Array[T] toIndexedSeq[T] performed by method copyArrayToImmutableIndexedSeq in scala.LowPriorityImplicits2.
    Definition Classes
    SeqOps
  95. def isDefinedAt(idx: Int): Boolean

    Tests whether this immutable sequence contains given index.

    Tests whether this immutable sequence contains given index.

    The implementations of methods apply and isDefinedAt turn a Seq[A] into a PartialFunction[Int, A].

    idx

    the index to test

    returns

    true if this immutable sequence contains an element at position idx, false otherwise.

    Implicit
    This member is added by an implicit conversion from Array[T] toIndexedSeq[T] performed by method copyArrayToImmutableIndexedSeq in scala.LowPriorityImplicits2.
    Definition Classes
    SeqOps
  96. final def isInstanceOf[T0]: Boolean

    Test whether the dynamic type of the receiver object has the same erasure as T0.

    Test whether the dynamic type of the receiver object has the same erasure as T0.

    Depending on what T0 is, the test is done in one of the below ways:

    • T0 is a non-parameterized class type, e.g. BigDecimal: this method returns true if the value of the receiver object is a BigDecimal or a subtype of BigDecimal.
    • T0 is a parameterized class type, e.g. List[Int]: this method returns true if the value of the receiver object is some List[X] for any X. For example, List(1, 2, 3).isInstanceOf[List[String]] will return true.
    • T0 is some singleton type x.type or literal x: this method returns this.eq(x). For example, x.isInstanceOf[1] is equivalent to x.eq(1)
    • T0 is an intersection X with Y or X & Y: this method is equivalent to x.isInstanceOf[X] && x.isInstanceOf[Y]
    • T0 is a union X | Y: this method is equivalent to x.isInstanceOf[X] || x.isInstanceOf[Y]
    • T0 is a type parameter or an abstract type member: this method is equivalent to isInstanceOf[U] where U is T0's upper bound, Any if T0 is unbounded. For example, x.isInstanceOf[A] where A is an unbounded type parameter will return true for any value of x.

    This is exactly equivalent to the type pattern _: T0

    returns

    true if the receiver object is an instance of erasure of type T0; false otherwise.

    Definition Classes
    Any
    Note

    due to the unexpectedness of List(1, 2, 3).isInstanceOf[List[String]] returning true and x.isInstanceOf[A] where A is a type parameter or abstract member returning true, these forms issue a warning.

  97. def isTraversableAgain: Boolean

    Tests whether this immutable sequence can be repeatedly traversed.

    Tests whether this immutable sequence can be repeatedly traversed. Always true for Iterables and false for Iterators unless overridden.

    returns

    true if it is repeatedly traversable, false otherwise.

    Implicit
    This member is added by an implicit conversion from Array[T] toIndexedSeq[T] performed by method copyArrayToImmutableIndexedSeq in scala.LowPriorityImplicits2.
    Definition Classes
    IterableOpsIterableOnceOps
  98. def iterableFactory: SeqFactory[collection.immutable.IndexedSeq]

    The companion object of this immutable sequence, providing various factory methods.

    The companion object of this immutable sequence, providing various factory methods.

    Implicit
    This member is added by an implicit conversion from Array[T] toIndexedSeq[T] performed by method copyArrayToImmutableIndexedSeq in scala.LowPriorityImplicits2.
    Definition Classes
    IndexedSeqIndexedSeqSeqSeqIterableIterableIterableOps
    Note

    When implementing a custom collection type and refining CC to the new type, this method needs to be overridden to return a factory for the new type (the compiler will issue an error otherwise).

  99. def lastIndexOfSlice[B >: A](that: collection.Seq[B]): Int

    Finds last index where this immutable sequence contains a given sequence as a slice.

    Finds last index where this immutable sequence contains a given sequence as a slice.

    Note: will not terminate for infinite-sized collections.

    that

    the sequence to test

    returns

    the last index such that the elements of this immutable sequence starting at this index match the elements of sequence that, or -1 of no such subsequence exists.

    Implicit
    This member is added by an implicit conversion from Array[T] toIndexedSeq[T] performed by method copyArrayToImmutableIndexedSeq in scala.LowPriorityImplicits2.
    Definition Classes
    SeqOps
    Annotations
    @deprecatedOverriding()
  100. def lastIndexOfSlice[B >: A](that: collection.Seq[B], end: Int): Int

    Finds last index before or at a given end index where this immutable sequence contains a given sequence as a slice.

    Finds last index before or at a given end index where this immutable sequence contains a given sequence as a slice.

    Note: will not terminate for infinite-sized collections.

    that

    the sequence to test

    end

    the end index

    returns

    the last index <= end such that the elements of this immutable sequence starting at this index match the elements of sequence that, or -1 of no such subsequence exists.

    Implicit
    This member is added by an implicit conversion from Array[T] toIndexedSeq[T] performed by method copyArrayToImmutableIndexedSeq in scala.LowPriorityImplicits2.
    Definition Classes
    SeqOps
  101. def lastIndexWhere(p: (T) => Boolean): Int

    Finds index of last element satisfying some predicate.

    Finds index of last element satisfying some predicate.

    Note: will not terminate for infinite-sized collections.

    p

    the predicate used to test elements.

    returns

    the index of the last element of this immutable sequence that satisfies the predicate p, or -1, if none exists.

    Implicit
    This member is added by an implicit conversion from Array[T] toIndexedSeq[T] performed by method copyArrayToImmutableIndexedSeq in scala.LowPriorityImplicits2.
    Definition Classes
    SeqOps
    Annotations
    @deprecatedOverriding()
  102. def lazyZip[B](that: collection.Iterable[B]): LazyZip2[T, B, Array[T]]

    Analogous to zip except that the elements in each collection are not consumed until a strict operation is invoked on the returned LazyZip2 decorator.

    Analogous to zip except that the elements in each collection are not consumed until a strict operation is invoked on the returned LazyZip2 decorator.

    Calls to lazyZip can be chained to support higher arities (up to 4) without incurring the expense of constructing and deconstructing intermediary tuples.

    val xs = List(1, 2, 3)
    val res = (xs lazyZip xs lazyZip xs lazyZip xs).map((a, b, c, d) => a + b + c + d)
    // res == List(4, 8, 12)
    B

    the type of the second element in each eventual pair

    that

    the iterable providing the second element of each eventual pair

    returns

    a decorator LazyZip2 that allows strict operations to be performed on the lazily evaluated pairs or chained calls to lazyZip. Implicit conversion to Iterable[(A, B)] is also supported.

    Implicit
    This member is added by an implicit conversion from Array[T] toArrayOps[T] performed by method genericArrayOps in scala.Predef.
    Definition Classes
    ArrayOps
  103. def lazyZip[B]: ([B](that: Iterable[B]): scala.collection.LazyZip2[T,B,_1.type]) forSome {val _1: collection.immutable.IndexedSeq[T]}

    Analogous to zip except that the elements in each collection are not consumed until a strict operation is invoked on the returned LazyZip2 decorator.

    Analogous to zip except that the elements in each collection are not consumed until a strict operation is invoked on the returned LazyZip2 decorator.

    Calls to lazyZip can be chained to support higher arities (up to 4) without incurring the expense of constructing and deconstructing intermediary tuples.

    val xs = List(1, 2, 3)
    val res = (xs lazyZip xs lazyZip xs lazyZip xs).map((a, b, c, d) => a + b + c + d)
    // res == List(4, 8, 12)
    B

    the type of the second element in each eventual pair

    returns

    a decorator LazyZip2 that allows strict operations to be performed on the lazily evaluated pairs or chained calls to lazyZip. Implicit conversion to Iterable[(A, B)] is also supported.

    Implicit
    This member is added by an implicit conversion from Array[T] toIndexedSeq[T] performed by method copyArrayToImmutableIndexedSeq in scala.LowPriorityImplicits2.
    Definition Classes
    Iterable
  104. def length: Int

    The length of the array

  105. final def lengthCompare(that: collection.Iterable[_]): Int

    Compares the length of this immutable sequence to the size of another Iterable.

    Compares the length of this immutable sequence to the size of another Iterable.

    that

    the Iterable whose size is compared with this immutable sequence's length.

    returns

    A value x where

    x <  0       if this.length <  that.size
    x == 0       if this.length == that.size
    x >  0       if this.length >  that.size

    The method as implemented here does not call length or size directly; its running time is O(this.length min that.size) instead of O(this.length + that.size). The method should be overridden if computing size is cheap and knownSize returns -1.

    Implicit
    This member is added by an implicit conversion from Array[T] toIndexedSeq[T] performed by method copyArrayToImmutableIndexedSeq in scala.LowPriorityImplicits2.
    Definition Classes
    IndexedSeqOpsSeqOps
  106. def lift: (Int) => Option[T]

    Turns this partial function into a plain function returning an Option result.

    Turns this partial function into a plain function returning an Option result.

    returns

    a function that takes an argument x to Some(this(x)) if this is defined for x, and to None otherwise.

    Implicit
    This member is added by an implicit conversion from Array[T] toIndexedSeq[T] performed by method copyArrayToImmutableIndexedSeq in scala.LowPriorityImplicits2.
    Definition Classes
    PartialFunction
    See also

    Function.unlift

  107. def map[B](f: (T) => B)(implicit ct: ClassTag[B]): Array[B]

    Builds a new array by applying a function to all elements of this array.

    Builds a new array by applying a function to all elements of this array.

    B

    the element type of the returned array.

    f

    the function to apply to each element.

    returns

    a new array resulting from applying the given function f to each element of this array and collecting the results.

    Implicit
    This member is added by an implicit conversion from Array[T] toArrayOps[T] performed by method genericArrayOps in scala.Predef.
    Definition Classes
    ArrayOps
  108. def map[B](f: (T) => B): collection.immutable.IndexedSeq[B]

    Builds a new immutable sequence by applying a function to all elements of this immutable sequence.

    Builds a new immutable sequence by applying a function to all elements of this immutable sequence.

    B

    the element type of the returned immutable sequence.

    f

    the function to apply to each element.

    returns

    a new immutable sequence resulting from applying the given function f to each element of this immutable sequence and collecting the results.

    Implicit
    This member is added by an implicit conversion from Array[T] toIndexedSeq[T] performed by method copyArrayToImmutableIndexedSeq in scala.LowPriorityImplicits2.
    Definition Classes
    IndexedSeqOpsIterableOpsIterableOnceOps
  109. def mapInPlace(f: (T) => T): Array[T]
    Implicit
    This member is added by an implicit conversion from Array[T] toArrayOps[T] performed by method genericArrayOps in scala.Predef.
    Definition Classes
    ArrayOps
  110. def max[B >: A](implicit ord: math.Ordering[B]): T

    Finds the largest element.

    Finds the largest element.

    Note: will not terminate for infinite-sized collections.

    B

    The type over which the ordering is defined.

    ord

    An ordering to be used for comparing elements.

    returns

    the largest element of this immutable sequence with respect to the ordering ord.

    Implicit
    This member is added by an implicit conversion from Array[T] toIndexedSeq[T] performed by method copyArrayToImmutableIndexedSeq in scala.LowPriorityImplicits2.
    Definition Classes
    IterableOnceOps
    Exceptions thrown

    UnsupportedOperationException if this immutable sequence is empty.

  111. def maxBy[B](f: (T) => B)(implicit cmp: math.Ordering[B]): T

    Finds the first element which yields the largest value measured by function f.

    Finds the first element which yields the largest value measured by function f.

    Note: will not terminate for infinite-sized collections.

    B

    The result type of the function f.

    f

    The measuring function.

    cmp

    An ordering to be used for comparing elements.

    returns

    the first element of this immutable sequence with the largest value measured by function f with respect to the ordering cmp.

    Implicit
    This member is added by an implicit conversion from Array[T] toIndexedSeq[T] performed by method copyArrayToImmutableIndexedSeq in scala.LowPriorityImplicits2.
    Definition Classes
    IterableOnceOps
    Exceptions thrown

    UnsupportedOperationException if this immutable sequence is empty.

  112. def maxByOption[B](f: (T) => B)(implicit cmp: math.Ordering[B]): Option[T]

    Finds the first element which yields the largest value measured by function f.

    Finds the first element which yields the largest value measured by function f.

    Note: will not terminate for infinite-sized collections.

    B

    The result type of the function f.

    f

    The measuring function.

    cmp

    An ordering to be used for comparing elements.

    returns

    an option value containing the first element of this immutable sequence with the largest value measured by function f with respect to the ordering cmp.

    Implicit
    This member is added by an implicit conversion from Array[T] toIndexedSeq[T] performed by method copyArrayToImmutableIndexedSeq in scala.LowPriorityImplicits2.
    Definition Classes
    IterableOnceOps
  113. def maxOption[B >: A](implicit ord: math.Ordering[B]): Option[T]

    Finds the largest element.

    Finds the largest element.

    Note: will not terminate for infinite-sized collections.

    B

    The type over which the ordering is defined.

    ord

    An ordering to be used for comparing elements.

    returns

    an option value containing the largest element of this immutable sequence with respect to the ordering ord.

    Implicit
    This member is added by an implicit conversion from Array[T] toIndexedSeq[T] performed by method copyArrayToImmutableIndexedSeq in scala.LowPriorityImplicits2.
    Definition Classes
    IterableOnceOps
  114. def min[B >: A](implicit ord: math.Ordering[B]): T

    Finds the smallest element.

    Finds the smallest element.

    Note: will not terminate for infinite-sized collections.

    B

    The type over which the ordering is defined.

    ord

    An ordering to be used for comparing elements.

    returns

    the smallest element of this immutable sequence with respect to the ordering ord.

    Implicit
    This member is added by an implicit conversion from Array[T] toIndexedSeq[T] performed by method copyArrayToImmutableIndexedSeq in scala.LowPriorityImplicits2.
    Definition Classes
    IterableOnceOps
    Exceptions thrown

    UnsupportedOperationException if this immutable sequence is empty.

  115. def minBy[B](f: (T) => B)(implicit cmp: math.Ordering[B]): T

    Finds the first element which yields the smallest value measured by function f.

    Finds the first element which yields the smallest value measured by function f.

    Note: will not terminate for infinite-sized collections.

    B

    The result type of the function f.

    f

    The measuring function.

    cmp

    An ordering to be used for comparing elements.

    returns

    the first element of this immutable sequence with the smallest value measured by function f with respect to the ordering cmp.

    Implicit
    This member is added by an implicit conversion from Array[T] toIndexedSeq[T] performed by method copyArrayToImmutableIndexedSeq in scala.LowPriorityImplicits2.
    Definition Classes
    IterableOnceOps
    Exceptions thrown

    UnsupportedOperationException if this immutable sequence is empty.

  116. def minByOption[B](f: (T) => B)(implicit cmp: math.Ordering[B]): Option[T]

    Finds the first element which yields the smallest value measured by function f.

    Finds the first element which yields the smallest value measured by function f.

    Note: will not terminate for infinite-sized collections.

    B

    The result type of the function f.

    f

    The measuring function.

    cmp

    An ordering to be used for comparing elements.

    returns

    an option value containing the first element of this immutable sequence with the smallest value measured by function f with respect to the ordering cmp.

    Implicit
    This member is added by an implicit conversion from Array[T] toIndexedSeq[T] performed by method copyArrayToImmutableIndexedSeq in scala.LowPriorityImplicits2.
    Definition Classes
    IterableOnceOps
  117. def minOption[B >: A](implicit ord: math.Ordering[B]): Option[T]

    Finds the smallest element.

    Finds the smallest element.

    Note: will not terminate for infinite-sized collections.

    B

    The type over which the ordering is defined.

    ord

    An ordering to be used for comparing elements.

    returns

    an option value containing the smallest element of this immutable sequence with respect to the ordering ord.

    Implicit
    This member is added by an implicit conversion from Array[T] toIndexedSeq[T] performed by method copyArrayToImmutableIndexedSeq in scala.LowPriorityImplicits2.
    Definition Classes
    IterableOnceOps
  118. final def mkString: String

    Displays all elements of this immutable sequence in a string.

    Displays all elements of this immutable sequence in a string.

    Delegates to addString, which can be overridden.

    returns

    a string representation of this immutable sequence. In the resulting string the string representations (w.r.t. the method toString) of all elements of this immutable sequence follow each other without any separator string.

    Implicit
    This member is added by an implicit conversion from Array[T] toIndexedSeq[T] performed by method copyArrayToImmutableIndexedSeq in scala.LowPriorityImplicits2.
    Definition Classes
    IterableOnceOps
    Annotations
    @inline()
  119. final def mkString(sep: String): String

    Displays all elements of this immutable sequence in a string using a separator string.

    Displays all elements of this immutable sequence in a string using a separator string.

    Delegates to addString, which can be overridden.

    sep

    the separator string.

    returns

    a string representation of this immutable sequence. In the resulting string the string representations (w.r.t. the method toString) of all elements of this immutable sequence are separated by the string sep.

    Implicit
    This member is added by an implicit conversion from Array[T] toIndexedSeq[T] performed by method copyArrayToImmutableIndexedSeq in scala.LowPriorityImplicits2.
    Definition Classes
    IterableOnceOps
    Annotations
    @inline()
    Example:
    1. List(1, 2, 3).mkString("|") = "1|2|3"

  120. final def mkString(start: String, sep: String, end: String): String

    Displays all elements of this immutable sequence in a string using start, end, and separator strings.

    Displays all elements of this immutable sequence in a string using start, end, and separator strings.

    Delegates to addString, which can be overridden.

    start

    the starting string.

    sep

    the separator string.

    end

    the ending string.

    returns

    a string representation of this immutable sequence. The resulting string begins with the string start and ends with the string end. Inside, the string representations (w.r.t. the method toString) of all elements of this immutable sequence are separated by the string sep.

    Implicit
    This member is added by an implicit conversion from Array[T] toIndexedSeq[T] performed by method copyArrayToImmutableIndexedSeq in scala.LowPriorityImplicits2.
    Definition Classes
    IterableOnceOps
    Example:
    1. List(1, 2, 3).mkString("(", "; ", ")") = "(1; 2; 3)"

  121. final def ne(arg0: AnyRef): Boolean

    Equivalent to !(this eq that).

    Equivalent to !(this eq that).

    returns

    true if the argument is not a reference to the receiver object; false otherwise.

    Definition Classes
    AnyRef
  122. final def notify(): Unit

    Wakes up a single thread that is waiting on the receiver object's monitor.

    Wakes up a single thread that is waiting on the receiver object's monitor.

    Definition Classes
    AnyRef
    Annotations
    @native()
    Note

    not specified by SLS as a member of AnyRef

  123. final def notifyAll(): Unit

    Wakes up all threads that are waiting on the receiver object's monitor.

    Wakes up all threads that are waiting on the receiver object's monitor.

    Definition Classes
    AnyRef
    Annotations
    @native()
    Note

    not specified by SLS as a member of AnyRef

  124. def orElse[A1 <: A, B1 >: B](that: PartialFunction[A1, B1]): PartialFunction[A1, B1]

    Composes this partial function with a fallback partial function which gets applied where this partial function is not defined.

    Composes this partial function with a fallback partial function which gets applied where this partial function is not defined.

    A1

    the argument type of the fallback function

    B1

    the result type of the fallback function

    that

    the fallback function

    returns

    a partial function which has as domain the union of the domains of this partial function and that. The resulting partial function takes x to this(x) where this is defined, and to that(x) where it is not.

    Implicit
    This member is added by an implicit conversion from Array[T] toIndexedSeq[T] performed by method copyArrayToImmutableIndexedSeq in scala.LowPriorityImplicits2.
    Definition Classes
    PartialFunction
  125. def padTo[B >: A](len: Int, elem: B)(implicit arg0: ClassTag[B]): Array[B]

    A copy of this array with an element value appended until a given target length is reached.

    A copy of this array with an element value appended until a given target length is reached.

    B

    the element type of the returned array.

    len

    the target length

    elem

    the padding value

    returns

    a new array consisting of all elements of this array followed by the minimal number of occurrences of elem so that the resulting collection has a length of at least len.

    Implicit
    This member is added by an implicit conversion from Array[T] toArrayOps[T] performed by method genericArrayOps in scala.Predef.
    Definition Classes
    ArrayOps
  126. def padTo[B >: A](len: Int, elem: B): collection.immutable.IndexedSeq[B]

    A copy of this immutable sequence with an element value appended until a given target length is reached.

    A copy of this immutable sequence with an element value appended until a given target length is reached.

    B

    the element type of the returned immutable sequence.

    len

    the target length

    elem

    the padding value

    returns

    a new immutable sequence consisting of all elements of this immutable sequence followed by the minimal number of occurrences of elem so that the resulting collection has a length of at least len.

    Implicit
    This member is added by an implicit conversion from Array[T] toIndexedSeq[T] performed by method copyArrayToImmutableIndexedSeq in scala.LowPriorityImplicits2.
    Definition Classes
    SeqOps
  127. def partitionMap[A1, A2](f: (T) => Either[A1, A2])(implicit arg0: ClassTag[A1], arg1: ClassTag[A2]): (Array[A1], Array[A2])

    Applies a function f to each element of the array and returns a pair of arrays: the first one made of those values returned by f that were wrapped in scala.util.Left, and the second one made of those wrapped in scala.util.Right.

    Applies a function f to each element of the array and returns a pair of arrays: the first one made of those values returned by f that were wrapped in scala.util.Left, and the second one made of those wrapped in scala.util.Right.

    Example:

    val xs = Array(1, "one", 2, "two", 3, "three") partitionMap {
     case i: Int => Left(i)
     case s: String => Right(s)
    }
    // xs == (Array(1, 2, 3),
    //        Array(one, two, three))
    A1

    the element type of the first resulting collection

    A2

    the element type of the second resulting collection

    f

    the 'split function' mapping the elements of this array to an scala.util.Either

    returns

    a pair of arrays: the first one made of those values returned by f that were wrapped in scala.util.Left, and the second one made of those wrapped in scala.util.Right.

    Implicit
    This member is added by an implicit conversion from Array[T] toArrayOps[T] performed by method genericArrayOps in scala.Predef.
    Definition Classes
    ArrayOps
  128. def partitionMap[A1, A2](f: (T) => Either[A1, A2]): (collection.immutable.IndexedSeq[A1], collection.immutable.IndexedSeq[A2])

    Applies a function f to each element of the immutable sequence and returns a pair of immutable sequences: the first one made of those values returned by f that were wrapped in scala.util.Left, and the second one made of those wrapped in scala.util.Right.

    Applies a function f to each element of the immutable sequence and returns a pair of immutable sequences: the first one made of those values returned by f that were wrapped in scala.util.Left, and the second one made of those wrapped in scala.util.Right.

    Example:

    val xs = `immutable.Seq`(1, "one", 2, "two", 3, "three") partitionMap {
     case i: Int => Left(i)
     case s: String => Right(s)
    }
    // xs == (`immutable.Seq`(1, 2, 3),
    //        `immutable.Seq`(one, two, three))
    A1

    the element type of the first resulting collection

    A2

    the element type of the second resulting collection

    f

    the 'split function' mapping the elements of this immutable sequence to an scala.util.Either

    returns

    a pair of immutable sequences: the first one made of those values returned by f that were wrapped in scala.util.Left, and the second one made of those wrapped in scala.util.Right.

    Implicit
    This member is added by an implicit conversion from Array[T] toIndexedSeq[T] performed by method copyArrayToImmutableIndexedSeq in scala.LowPriorityImplicits2.
    Definition Classes
    IterableOps
  129. def patch[B >: A](from: Int, other: collection.IterableOnce[B], replaced: Int)(implicit arg0: ClassTag[B]): Array[B]

    Returns a copy of this array with patched values.

    Returns a copy of this array with patched values. Patching at negative indices is the same as patching starting at 0. Patching at indices at or larger than the length of the original array appends the patch to the end. If more values are replaced than actually exist, the excess is ignored.

    from

    The start index from which to patch

    other

    The patch values

    replaced

    The number of values in the original array that are replaced by the patch.

    Implicit
    This member is added by an implicit conversion from Array[T] toArrayOps[T] performed by method genericArrayOps in scala.Predef.
    Definition Classes
    ArrayOps
  130. def patch[B >: A](from: Int, other: collection.IterableOnce[B], replaced: Int): collection.immutable.IndexedSeq[B]

    Produces a new immutable sequence where a slice of elements in this immutable sequence is replaced by another sequence.

    Produces a new immutable sequence where a slice of elements in this immutable sequence is replaced by another sequence.

    Patching at negative indices is the same as patching starting at 0. Patching at indices at or larger than the length of the original immutable sequence appends the patch to the end. If more values are replaced than actually exist, the excess is ignored.

    B

    the element type of the returned immutable sequence.

    from

    the index of the first replaced element

    other

    the replacement sequence

    replaced

    the number of elements to drop in the original immutable sequence

    returns

    a new immutable sequence consisting of all elements of this immutable sequence except that replaced elements starting from from are replaced by all the elements of other.

    Implicit
    This member is added by an implicit conversion from Array[T] toIndexedSeq[T] performed by method copyArrayToImmutableIndexedSeq in scala.LowPriorityImplicits2.
    Definition Classes
    SeqOps
  131. def prepended[B >: A](x: B)(implicit arg0: ClassTag[B]): Array[B]

    A copy of this array with an element prepended.

    A copy of this array with an element prepended.

    Implicit
    This member is added by an implicit conversion from Array[T] toArrayOps[T] performed by method genericArrayOps in scala.Predef.
    Definition Classes
    ArrayOps
  132. def prepended[B >: A](elem: B): collection.immutable.IndexedSeq[B]

    A copy of the immutable sequence with an element prepended.

    A copy of the immutable sequence with an element prepended.

    Also, the original immutable sequence is not modified, so you will want to capture the result.

    Example:

    scala> val x = List(1)
    x: List[Int] = List(1)
    
    scala> val y = 2 +: x
    y: List[Int] = List(2, 1)
    
    scala> println(x)
    List(1)
    B

    the element type of the returned immutable sequence.

    elem

    the prepended element

    returns

    a new immutable sequence consisting of value followed by all elements of this immutable sequence.

    Implicit
    This member is added by an implicit conversion from Array[T] toIndexedSeq[T] performed by method copyArrayToImmutableIndexedSeq in scala.LowPriorityImplicits2.
    Definition Classes
    IndexedSeqOpsSeqOps
  133. def prependedAll[B >: A](prefix: Array[_ <: B])(implicit arg0: ClassTag[B]): Array[B]

    A copy of this array with all elements of an array prepended.

    A copy of this array with all elements of an array prepended.

    Implicit
    This member is added by an implicit conversion from Array[T] toArrayOps[T] performed by method genericArrayOps in scala.Predef.
    Definition Classes
    ArrayOps
  134. def prependedAll[B >: A](prefix: collection.IterableOnce[B])(implicit arg0: ClassTag[B]): Array[B]

    A copy of this array with all elements of a collection prepended.

    A copy of this array with all elements of a collection prepended.

    Implicit
    This member is added by an implicit conversion from Array[T] toArrayOps[T] performed by method genericArrayOps in scala.Predef.
    Definition Classes
    ArrayOps
  135. def prependedAll[B >: A](prefix: collection.IterableOnce[B]): collection.immutable.IndexedSeq[B]

    As with :++, returns a new collection containing the elements from the left operand followed by the elements from the right operand.

    As with :++, returns a new collection containing the elements from the left operand followed by the elements from the right operand.

    It differs from :++ in that the right operand determines the type of the resulting collection rather than the left one. Mnemonic: the COLon is on the side of the new COLlection type.

    B

    the element type of the returned collection.

    prefix

    the iterable to prepend.

    returns

    a new immutable sequence which contains all elements of prefix followed by all the elements of this immutable sequence.

    Implicit
    This member is added by an implicit conversion from Array[T] toIndexedSeq[T] performed by method copyArrayToImmutableIndexedSeq in scala.LowPriorityImplicits2.
    Definition Classes
    SeqOps
  136. def product[B >: A](implicit num: math.Numeric[B]): B

    Multiplies up the elements of this collection.

    Multiplies up the elements of this collection.

    Note: will not terminate for infinite-sized collections.

    B

    the result type of the * operator.

    num

    an implicit parameter defining a set of numeric operations which includes the * operator to be used in forming the product.

    returns

    the product of all elements of this immutable sequence with respect to the * operator in num.

    Implicit
    This member is added by an implicit conversion from Array[T] toIndexedSeq[T] performed by method copyArrayToImmutableIndexedSeq in scala.LowPriorityImplicits2.
    Definition Classes
    IterableOnceOps
  137. def reduce[B >: A](op: (B, B) => B): B

    Reduces the elements of this immutable sequence using the specified associative binary operator.

    Reduces the elements of this immutable sequence using the specified associative binary operator.

    The order in which operations are performed on elements is unspecified and may be nondeterministic.

    B

    A type parameter for the binary operator, a supertype of A.

    op

    A binary operator that must be associative.

    returns

    The result of applying reduce operator op between all the elements if the immutable sequence is nonempty.

    Implicit
    This member is added by an implicit conversion from Array[T] toIndexedSeq[T] performed by method copyArrayToImmutableIndexedSeq in scala.LowPriorityImplicits2.
    Definition Classes
    IterableOnceOps
    Exceptions thrown

    UnsupportedOperationException if this immutable sequence is empty.

  138. def reduceLeft[B >: A](op: (B, T) => B): B

    Applies a binary operator to all elements of this immutable sequence, going left to right.

    Applies a binary operator to all elements of this immutable sequence, going left to right.

    Note: will not terminate for infinite-sized collections.

    B

    the result type of the binary operator.

    op

    the binary operator.

    returns

    the result of inserting op between consecutive elements of this immutable sequence, going left to right: op( op( ... op(x1, x2) ..., xn-1), xn) where x1, ..., xn are the elements of this immutable sequence.

    Implicit
    This member is added by an implicit conversion from Array[T] toIndexedSeq[T] performed by method copyArrayToImmutableIndexedSeq in scala.LowPriorityImplicits2.
    Definition Classes
    IterableOnceOps
    Exceptions thrown

    UnsupportedOperationException if this immutable sequence is empty.

  139. def reduceLeftOption[B >: A](op: (B, T) => B): Option[B]

    Optionally applies a binary operator to all elements of this immutable sequence, going left to right.

    Optionally applies a binary operator to all elements of this immutable sequence, going left to right.

    Note: will not terminate for infinite-sized collections.

    B

    the result type of the binary operator.

    op

    the binary operator.

    returns

    an option value containing the result of reduceLeft(op) if this immutable sequence is nonempty, None otherwise.

    Implicit
    This member is added by an implicit conversion from Array[T] toIndexedSeq[T] performed by method copyArrayToImmutableIndexedSeq in scala.LowPriorityImplicits2.
    Definition Classes
    IterableOnceOps
  140. def reduceOption[B >: A](op: (B, B) => B): Option[B]

    Reduces the elements of this immutable sequence, if any, using the specified associative binary operator.

    Reduces the elements of this immutable sequence, if any, using the specified associative binary operator.

    The order in which operations are performed on elements is unspecified and may be nondeterministic.

    B

    A type parameter for the binary operator, a supertype of A.

    op

    A binary operator that must be associative.

    returns

    An option value containing result of applying reduce operator op between all the elements if the collection is nonempty, and None otherwise.

    Implicit
    This member is added by an implicit conversion from Array[T] toIndexedSeq[T] performed by method copyArrayToImmutableIndexedSeq in scala.LowPriorityImplicits2.
    Definition Classes
    IterableOnceOps
  141. def reduceRight[B >: A](op: (T, B) => B): B

    Applies a binary operator to all elements of this immutable sequence, going right to left.

    Applies a binary operator to all elements of this immutable sequence, going right to left.

    Note: will not terminate for infinite-sized collections.

    B

    the result type of the binary operator.

    op

    the binary operator.

    returns

    the result of inserting op between consecutive elements of this immutable sequence, going right to left: op(x1, op(x2, ..., op(xn-1, xn)...)) where x1, ..., xn are the elements of this immutable sequence.

    Implicit
    This member is added by an implicit conversion from Array[T] toIndexedSeq[T] performed by method copyArrayToImmutableIndexedSeq in scala.LowPriorityImplicits2.
    Definition Classes
    IterableOnceOps
    Exceptions thrown

    UnsupportedOperationException if this immutable sequence is empty.

  142. def reduceRightOption[B >: A](op: (T, B) => B): Option[B]

    Optionally applies a binary operator to all elements of this immutable sequence, going right to left.

    Optionally applies a binary operator to all elements of this immutable sequence, going right to left.

    Note: will not terminate for infinite-sized collections.

    B

    the result type of the binary operator.

    op

    the binary operator.

    returns

    an option value containing the result of reduceRight(op) if this immutable sequence is nonempty, None otherwise.

    Implicit
    This member is added by an implicit conversion from Array[T] toIndexedSeq[T] performed by method copyArrayToImmutableIndexedSeq in scala.LowPriorityImplicits2.
    Definition Classes
    IterableOnceOps
  143. def runWith[U](action: (T) => U): (Int) => Boolean

    Composes this partial function with an action function which gets applied to results of this partial function.

    Composes this partial function with an action function which gets applied to results of this partial function. The action function is invoked only for its side effects; its result is ignored.

    Note that expression pf.runWith(action)(x) is equivalent to

    if(pf isDefinedAt x) { action(pf(x)); true } else false

    except that runWith is implemented via applyOrElse and thus potentially more efficient. Using runWith avoids double evaluation of pattern matchers and guards for partial function literals.

    action

    the action function

    returns

    a function which maps arguments x to isDefinedAt(x). The resulting function runs action(this(x)) where this is defined.

    Implicit
    This member is added by an implicit conversion from Array[T] toIndexedSeq[T] performed by method copyArrayToImmutableIndexedSeq in scala.LowPriorityImplicits2.
    Definition Classes
    PartialFunction
    See also

    applyOrElse.

  144. def sameElements[B >: A](o: collection.IterableOnce[B]): Boolean

    Are the elements of this collection the same (and in the same order) as those of that?

    Are the elements of this collection the same (and in the same order) as those of that?

    Implicit
    This member is added by an implicit conversion from Array[T] toIndexedSeq[T] performed by method copyArrayToImmutableIndexedSeq in scala.LowPriorityImplicits2.
    Definition Classes
    IndexedSeqSeqOps
  145. def scan[B >: A](z: B)(op: (B, B) => B)(implicit arg0: ClassTag[B]): Array[B]

    Computes a prefix scan of the elements of the array.

    Computes a prefix scan of the elements of the array.

    Note: The neutral element z may be applied more than once.

    B

    element type of the resulting array

    z

    neutral element for the operator op

    op

    the associative operator for the scan

    returns

    a new array containing the prefix scan of the elements in this array

    Implicit
    This member is added by an implicit conversion from Array[T] toArrayOps[T] performed by method genericArrayOps in scala.Predef.
    Definition Classes
    ArrayOps
  146. def scan[B >: A](z: B)(op: (B, B) => B): collection.immutable.IndexedSeq[B]

    Computes a prefix scan of the elements of the collection.

    Computes a prefix scan of the elements of the collection.

    Note: The neutral element z may be applied more than once.

    B

    element type of the resulting collection

    z

    neutral element for the operator op

    op

    the associative operator for the scan

    returns

    a new immutable sequence containing the prefix scan of the elements in this immutable sequence

    Implicit
    This member is added by an implicit conversion from Array[T] toIndexedSeq[T] performed by method copyArrayToImmutableIndexedSeq in scala.LowPriorityImplicits2.
    Definition Classes
    IterableOps
  147. def scanLeft[B](z: B)(op: (B, T) => B)(implicit arg0: ClassTag[B]): Array[B]

    Produces an array containing cumulative results of applying the binary operator going left to right.

    Produces an array containing cumulative results of applying the binary operator going left to right.

    B

    the result type of the binary operator.

    z

    the start value.

    op

    the binary operator.

    returns

    array with intermediate values. Example:

    Array(1, 2, 3, 4).scanLeft(0)(_ + _) == Array(0, 1, 3, 6, 10)
    Implicit
    This member is added by an implicit conversion from Array[T] toArrayOps[T] performed by method genericArrayOps in scala.Predef.
    Definition Classes
    ArrayOps
  148. def scanLeft[B](z: B)(op: (B, T) => B): collection.immutable.IndexedSeq[B]

    Produces a immutable sequence containing cumulative results of applying the operator going left to right, including the initial value.

    Produces a immutable sequence containing cumulative results of applying the operator going left to right, including the initial value.

    Note: will not terminate for infinite-sized collections.

    B

    the type of the elements in the resulting collection

    z

    the initial value

    op

    the binary operator applied to the intermediate result and the element

    returns

    collection with intermediate results

    Implicit
    This member is added by an implicit conversion from Array[T] toIndexedSeq[T] performed by method copyArrayToImmutableIndexedSeq in scala.LowPriorityImplicits2.
    Definition Classes
    IterableOpsIterableOnceOps
  149. def scanRight[B](z: B)(op: (T, B) => B)(implicit arg0: ClassTag[B]): Array[B]

    Produces an array containing cumulative results of applying the binary operator going right to left.

    Produces an array containing cumulative results of applying the binary operator going right to left.

    B

    the result type of the binary operator.

    z

    the start value.

    op

    the binary operator.

    returns

    array with intermediate values. Example:

    Array(4, 3, 2, 1).scanRight(0)(_ + _) == Array(10, 6, 3, 1, 0)
    Implicit
    This member is added by an implicit conversion from Array[T] toArrayOps[T] performed by method genericArrayOps in scala.Predef.
    Definition Classes
    ArrayOps
  150. def scanRight[B](z: B)(op: (T, B) => B): collection.immutable.IndexedSeq[B]

    Produces a collection containing cumulative results of applying the operator going right to left.

    Produces a collection containing cumulative results of applying the operator going right to left. The head of the collection is the last cumulative result.

    Note: will not terminate for infinite-sized collections.

    Note: Even when applied to a view or a lazy collection it will always force the elements.

    Example:

    List(1, 2, 3, 4).scanRight(0)(_ + _) == List(10, 9, 7, 4, 0)
    B

    the type of the elements in the resulting collection

    z

    the initial value

    op

    the binary operator applied to the intermediate result and the element

    returns

    collection with intermediate results

    Implicit
    This member is added by an implicit conversion from Array[T] toIndexedSeq[T] performed by method copyArrayToImmutableIndexedSeq in scala.LowPriorityImplicits2.
    Definition Classes
    IterableOps
  151. def search[B >: A](elem: B, from: Int, to: Int)(implicit ord: math.Ordering[B]): SearchResult

    Search within an interval in this sorted sequence for a specific element.

    Search within an interval in this sorted sequence for a specific element. If this sequence is an IndexedSeq, a binary search is used. Otherwise, a linear search is used.

    The sequence should be sorted with the same Ordering before calling; otherwise, the results are undefined.

    elem

    the element to find.

    from

    the index where the search starts.

    to

    the index following where the search ends.

    ord

    the ordering to be used to compare elements.

    returns

    a Found value containing the index corresponding to the element in the sequence, or the InsertionPoint where the element would be inserted if the element is not in the sequence.

    Implicit
    This member is added by an implicit conversion from Array[T] toIndexedSeq[T] performed by method copyArrayToImmutableIndexedSeq in scala.LowPriorityImplicits2.
    Definition Classes
    IndexedSeqOpsSeqOps
    Note

    if to <= from, the search space is empty, and an InsertionPoint at from is returned

    See also

    scala.collection.IndexedSeq

    scala.math.Ordering

    scala.collection.SeqOps, method sorted

  152. def search[B >: A](elem: B)(implicit ord: math.Ordering[B]): SearchResult

    Search this sorted sequence for a specific element.

    Search this sorted sequence for a specific element. If the sequence is an IndexedSeq, a binary search is used. Otherwise, a linear search is used.

    The sequence should be sorted with the same Ordering before calling; otherwise, the results are undefined.

    elem

    the element to find.

    ord

    the ordering to be used to compare elements.

    returns

    a Found value containing the index corresponding to the element in the sequence, or the InsertionPoint where the element would be inserted if the element is not in the sequence.

    Implicit
    This member is added by an implicit conversion from Array[T] toIndexedSeq[T] performed by method copyArrayToImmutableIndexedSeq in scala.LowPriorityImplicits2.
    Definition Classes
    IndexedSeqOpsSeqOps
    See also

    scala.collection.IndexedSeq

    scala.math.Ordering

    scala.collection.SeqOps, method sorted

  153. def segmentLength(p: (T) => Boolean, from: Int): Int

    Computes the length of the longest segment that starts from some index and whose elements all satisfy some predicate.

    Computes the length of the longest segment that starts from some index and whose elements all satisfy some predicate.

    Note: may not terminate for infinite-sized collections.

    p

    the predicate used to test elements.

    from

    the index where the search starts.

    returns

    the length of the longest segment of this immutable sequence starting from index from such that every element of the segment satisfies the predicate p.

    Implicit
    This member is added by an implicit conversion from Array[T] toIndexedSeq[T] performed by method copyArrayToImmutableIndexedSeq in scala.LowPriorityImplicits2.
    Definition Classes
    SeqOps
  154. final def segmentLength(p: (T) => Boolean): Int

    Computes the length of the longest segment that starts from the first element and whose elements all satisfy some predicate.

    Computes the length of the longest segment that starts from the first element and whose elements all satisfy some predicate.

    Note: may not terminate for infinite-sized collections.

    p

    the predicate used to test elements.

    returns

    the length of the longest segment of this immutable sequence that starts from the first element such that every element of the segment satisfies the predicate p.

    Implicit
    This member is added by an implicit conversion from Array[T] toIndexedSeq[T] performed by method copyArrayToImmutableIndexedSeq in scala.LowPriorityImplicits2.
    Definition Classes
    SeqOps
  155. final def sizeCompare(that: collection.Iterable[_]): Int

    Compares the size of this immutable sequence to the size of another Iterable.

    Compares the size of this immutable sequence to the size of another Iterable.

    that

    the Iterable whose size is compared with this immutable sequence's size.

    returns

    A value x where

    x <  0       if this.size <  that.size
    x == 0       if this.size == that.size
    x >  0       if this.size >  that.size

    The method as implemented here does not call size directly; its running time is O(this.size min that.size) instead of O(this.size + that.size). The method should be overridden if computing size is cheap and knownSize returns -1.

    Implicit
    This member is added by an implicit conversion from Array[T] toIndexedSeq[T] performed by method copyArrayToImmutableIndexedSeq in scala.LowPriorityImplicits2.
    Definition Classes
    SeqOpsIterableOps
  156. def sliding(size: Int): collection.Iterator[collection.immutable.IndexedSeq[T]]

    Groups elements in fixed size blocks by passing a "sliding window" over them (as opposed to partitioning them, as is done in grouped.)

    Groups elements in fixed size blocks by passing a "sliding window" over them (as opposed to partitioning them, as is done in grouped.)

    An empty collection returns an empty iterator, and a non-empty collection containing fewer elements than the window size returns an iterator that will produce the original collection as its only element.

    size

    the number of elements per group

    returns

    An iterator producing immutable sequences of size size, except for a non-empty collection with less than size elements, which returns an iterator that produces the source collection itself as its only element.

    Implicit
    This member is added by an implicit conversion from Array[T] toIndexedSeq[T] performed by method copyArrayToImmutableIndexedSeq in scala.LowPriorityImplicits2.
    Definition Classes
    IterableOps
    Examples:
    1. List().sliding(2) = empty iterator

    2. ,
    3. List(1).sliding(2) = Iterator(List(1))

    4. ,
    5. List(1, 2).sliding(2) = Iterator(List(1, 2))

    6. ,
    7. List(1, 2, 3).sliding(2) = Iterator(List(1, 2), List(2, 3))

    See also

    scala.collection.Iterator, method sliding

  157. def sortBy[B](f: (T) => B)(implicit ord: math.Ordering[B]): Array[T]

    Sorts this array according to the Ordering which results from transforming an implicitly given Ordering with a transformation function.

    Sorts this array according to the Ordering which results from transforming an implicitly given Ordering with a transformation function.

    B

    the target type of the transformation f, and the type where the ordering ord is defined.

    f

    the transformation function mapping elements to some other domain B.

    ord

    the ordering assumed on domain B.

    returns

    an array consisting of the elements of this array sorted according to the ordering where x < y if ord.lt(f(x), f(y)).

    Implicit
    This member is added by an implicit conversion from Array[T] toArrayOps[T] performed by method genericArrayOps in scala.Predef.
    Definition Classes
    ArrayOps
    See also

    scala.math.Ordering

  158. def sortBy[B](f: (T) => B)(implicit ord: Ordering[B]): collection.immutable.IndexedSeq[T]

    Sorts this immutable sequence according to the Ordering which results from transforming an implicitly given Ordering with a transformation function.

    Sorts this immutable sequence according to the Ordering which results from transforming an implicitly given Ordering with a transformation function.

    Note: will not terminate for infinite-sized collections.

    Note: Even when applied to a view or a lazy collection it will always force the elements.

    The sort is stable. That is, elements that are equal (as determined by ord.compare) appear in the same order in the sorted sequence as in the original.

    B

    the target type of the transformation f, and the type where the ordering ord is defined.

    f

    the transformation function mapping elements to some other domain B.

    ord

    the ordering assumed on domain B.

    returns

    a immutable sequence consisting of the elements of this immutable sequence sorted according to the ordering where x < y if ord.lt(f(x), f(y)).

    Implicit
    This member is added by an implicit conversion from Array[T] toIndexedSeq[T] performed by method copyArrayToImmutableIndexedSeq in scala.LowPriorityImplicits2.
    Definition Classes
    SeqOps
    Example:
    1. val words = "The quick brown fox jumped over the lazy dog".split(' ')
      // this works because scala.Ordering will implicitly provide an Ordering[Tuple2[Int, Char]]
      words.sortBy(x => (x.length, x.head))
      res0: Array[String] = Array(The, dog, fox, the, lazy, over, brown, quick, jumped)
    See also

    scala.math.Ordering

  159. def sorted[B >: A](implicit ord: math.Ordering[B]): Array[T]

    Sorts this array according to an Ordering.

    Sorts this array according to an Ordering.

    The sort is stable. That is, elements that are equal (as determined by lt) appear in the same order in the sorted sequence as in the original.

    ord

    the ordering to be used to compare elements.

    returns

    an array consisting of the elements of this array sorted according to the ordering ord.

    Implicit
    This member is added by an implicit conversion from Array[T] toArrayOps[T] performed by method genericArrayOps in scala.Predef.
    Definition Classes
    ArrayOps
    See also

    scala.math.Ordering

  160. def sorted[B >: A](implicit ord: Ordering[B]): collection.immutable.IndexedSeq[T]

    Sorts this immutable sequence according to an Ordering.

    Sorts this immutable sequence according to an Ordering.

    The sort is stable. That is, elements that are equal (as determined by ord.compare) appear in the same order in the sorted sequence as in the original.

    ord

    the ordering to be used to compare elements.

    returns

    a immutable sequence consisting of the elements of this immutable sequence sorted according to the ordering ord.

    Implicit
    This member is added by an implicit conversion from Array[T] toIndexedSeq[T] performed by method copyArrayToImmutableIndexedSeq in scala.LowPriorityImplicits2.
    Definition Classes
    SeqOps
    See also

    scala.math.Ordering Note: Even when applied to a view or a lazy collection it will always force the elements.

  161. def startsWith[B >: A](that: collection.IterableOnce[B], offset: Int = 0): Boolean

    Tests whether this array contains the given sequence at a given index.

    Tests whether this array contains the given sequence at a given index.

    that

    the sequence to test

    offset

    the index where the sequence is searched.

    returns

    true if the sequence that is contained in this array at index offset, otherwise false.

    Implicit
    This member is added by an implicit conversion from Array[T] toArrayOps[T] performed by method genericArrayOps in scala.Predef.
    Definition Classes
    ArrayOps
  162. def startsWith[B >: A](that: Array[B], offset: Int): Boolean

    Tests whether this array contains the given array at a given index.

    Tests whether this array contains the given array at a given index.

    that

    the array to test

    offset

    the index where the array is searched.

    returns

    true if the array that is contained in this array at index offset, otherwise false.

    Implicit
    This member is added by an implicit conversion from Array[T] toArrayOps[T] performed by method genericArrayOps in scala.Predef.
    Definition Classes
    ArrayOps
  163. def startsWith[B >: A](that: Array[B]): Boolean

    Tests whether this array starts with the given array.

    Tests whether this array starts with the given array.

    Implicit
    This member is added by an implicit conversion from Array[T] toArrayOps[T] performed by method genericArrayOps in scala.Predef.
    Definition Classes
    ArrayOps
    Annotations
    @inline()
  164. def startsWith[B >: A](that: collection.IterableOnce[B], offset: Int = 0): Boolean

    Tests whether this immutable sequence contains the given sequence at a given index.

    Tests whether this immutable sequence contains the given sequence at a given index.

    Note: If the both the receiver object this and the argument that are infinite sequences this method may not terminate.

    that

    the sequence to test

    offset

    the index where the sequence is searched.

    returns

    true if the sequence that is contained in this immutable sequence at index offset, otherwise false.

    Implicit
    This member is added by an implicit conversion from Array[T] toIndexedSeq[T] performed by method copyArrayToImmutableIndexedSeq in scala.LowPriorityImplicits2.
    Definition Classes
    SeqOps
  165. def stepper[S <: Stepper[_]](implicit shape: StepperShape[T, S]): S with EfficientSplit
    Implicit
    This member is added by an implicit conversion from Array[T] toArrayOps[T] performed by method genericArrayOps in scala.Predef.
    Definition Classes
    ArrayOps
  166. def stepper[S <: Stepper[_]](implicit shape: StepperShape[T, S]): S with EfficientSplit

    Returns a scala.collection.Stepper for the elements of this collection.

    Returns a scala.collection.Stepper for the elements of this collection.

    The Stepper enables creating a Java stream to operate on the collection, see scala.jdk.StreamConverters. For collections holding primitive values, the Stepper can be used as an iterator which doesn't box the elements.

    The implicit scala.collection.StepperShape parameter defines the resulting Stepper type according to the element type of this collection.

    Note that this method is overridden in subclasses and the return type is refined to S with EfficientSplit, for example scala.collection.IndexedSeqOps.stepper. For Steppers marked with scala.collection.Stepper.EfficientSplit, the converters in scala.jdk.StreamConverters allow creating parallel streams, whereas bare Steppers can be converted only to sequential streams.

    Implicit
    This member is added by an implicit conversion from Array[T] toIndexedSeq[T] performed by method copyArrayToImmutableIndexedSeq in scala.LowPriorityImplicits2.
    Definition Classes
    IndexedSeqOpsIterableOnce
  167. def sum[B >: A](implicit num: math.Numeric[B]): B

    Sums up the elements of this collection.

    Sums up the elements of this collection.

    Note: will not terminate for infinite-sized collections.

    B

    the result type of the + operator.

    num

    an implicit parameter defining a set of numeric operations which includes the + operator to be used in forming the sum.

    returns

    the sum of all elements of this immutable sequence with respect to the + operator in num.

    Implicit
    This member is added by an implicit conversion from Array[T] toIndexedSeq[T] performed by method copyArrayToImmutableIndexedSeq in scala.LowPriorityImplicits2.
    Definition Classes
    IterableOnceOps
  168. final def synchronized[T0](arg0: => T0): T0

    Executes the code in body with an exclusive lock on this.

    Executes the code in body with an exclusive lock on this.

    returns

    the result of body

    Definition Classes
    AnyRef
  169. def tapEach[U](f: (T) => U): collection.immutable.IndexedSeq[T]

    Applies a side-effecting function to each element in this collection.

    Applies a side-effecting function to each element in this collection. Strict collections will apply f to their elements immediately, while lazy collections like Views and LazyLists will only apply f on each element if and when that element is evaluated, and each time that element is evaluated.

    U

    the return type of f

    f

    a function to apply to each element in this immutable sequence

    returns

    The same logical collection as this

    Implicit
    This member is added by an implicit conversion from Array[T] toIndexedSeq[T] performed by method copyArrayToImmutableIndexedSeq in scala.LowPriorityImplicits2.
    Definition Classes
    IterableOpsIterableOnceOps
  170. def to[C1](factory: Factory[T, C1]): C1

    Given a collection factory factory, convert this collection to the appropriate representation for the current element type A.

    Given a collection factory factory, convert this collection to the appropriate representation for the current element type A. Example uses:

    xs.to(List) xs.to(ArrayBuffer) xs.to(BitSet) // for xs: Iterable[Int]

    Implicit
    This member is added by an implicit conversion from Array[T] toIndexedSeq[T] performed by method copyArrayToImmutableIndexedSeq in scala.LowPriorityImplicits2.
    Definition Classes
    IterableOnceOps
  171. def toArray[B >: A](implicit arg0: ClassTag[B]): Array[B]

    Create a copy of this array with the specified element type.

    Create a copy of this array with the specified element type.

    Implicit
    This member is added by an implicit conversion from Array[T] toArrayOps[T] performed by method genericArrayOps in scala.Predef.
    Definition Classes
    ArrayOps
  172. def toArray[B >: A](implicit arg0: ClassTag[B]): Array[B]

    Convert collection to array.

    Convert collection to array.

    Implementation note: DO NOT call Array.from from this method.

    Implicit
    This member is added by an implicit conversion from Array[T] toIndexedSeq[T] performed by method copyArrayToImmutableIndexedSeq in scala.LowPriorityImplicits2.
    Definition Classes
    IterableOnceOps
  173. final def toBuffer[B >: A]: Buffer[B]
    Implicit
    This member is added by an implicit conversion from Array[T] toIndexedSeq[T] performed by method copyArrayToImmutableIndexedSeq in scala.LowPriorityImplicits2.
    Definition Classes
    IterableOnceOps
    Annotations
    @inline()
  174. def toList: collection.immutable.List[T]
    Implicit
    This member is added by an implicit conversion from Array[T] toIndexedSeq[T] performed by method copyArrayToImmutableIndexedSeq in scala.LowPriorityImplicits2.
    Definition Classes
    IterableOnceOps
  175. def toMap[K, V](implicit ev: <:<[T, (K, V)]): Map[K, V]
    Implicit
    This member is added by an implicit conversion from Array[T] toIndexedSeq[T] performed by method copyArrayToImmutableIndexedSeq in scala.LowPriorityImplicits2.
    Definition Classes
    IterableOnceOps
  176. def toSet[B >: A]: Set[B]
    Implicit
    This member is added by an implicit conversion from Array[T] toIndexedSeq[T] performed by method copyArrayToImmutableIndexedSeq in scala.LowPriorityImplicits2.
    Definition Classes
    IterableOnceOps
  177. def toString(): String

    Creates a String representation of this object.

    Creates a String representation of this object. The default representation is platform dependent. On the java platform it is the concatenation of the class name, "@", and the object's hashcode in hexadecimal.

    returns

    a String representation of the object.

    Definition Classes
    AnyRef → Any
  178. def toVector: collection.immutable.Vector[T]
    Implicit
    This member is added by an implicit conversion from Array[T] toIndexedSeq[T] performed by method copyArrayToImmutableIndexedSeq in scala.LowPriorityImplicits2.
    Definition Classes
    IterableOnceOps
  179. def transpose[B](implicit asArray: (T) => Array[B]): Array[Array[B]]

    Transposes a two dimensional array.

    Transposes a two dimensional array.

    B

    Type of row elements.

    asArray

    A function that converts elements of this array to rows - arrays of type B.

    returns

    An array obtained by replacing elements of this arrays with rows the represent.

    Implicit
    This member is added by an implicit conversion from Array[T] toArrayOps[T] performed by method genericArrayOps in scala.Predef.
    Definition Classes
    ArrayOps
  180. def transpose[B](implicit asIterable: (T) => collection.Iterable[B]): collection.immutable.IndexedSeq[collection.immutable.IndexedSeq[B]]

    Transposes this immutable sequence of iterable collections into a immutable sequence of immutable sequences.

    Transposes this immutable sequence of iterable collections into a immutable sequence of immutable sequences.

    The resulting collection's type will be guided by the static type of immutable sequence. For example:

    val xs = List(
               Set(1, 2, 3),
               Set(4, 5, 6)).transpose
    // xs == List(
    //         List(1, 4),
    //         List(2, 5),
    //         List(3, 6))
    
    val ys = Vector(
               List(1, 2, 3),
               List(4, 5, 6)).transpose
    // ys == Vector(
    //         Vector(1, 4),
    //         Vector(2, 5),
    //         Vector(3, 6))

    Note: Even when applied to a view or a lazy collection it will always force the elements.

    B

    the type of the elements of each iterable collection.

    asIterable

    an implicit conversion which asserts that the element type of this immutable sequence is an Iterable.

    returns

    a two-dimensional immutable sequence of immutable sequences which has as nth row the nth column of this immutable sequence.

    Implicit
    This member is added by an implicit conversion from Array[T] toIndexedSeq[T] performed by method copyArrayToImmutableIndexedSeq in scala.LowPriorityImplicits2.
    Definition Classes
    IterableOps
    Exceptions thrown

    IllegalArgumentException if all collections in this immutable sequence are not of the same size.

  181. def unapply(a: Int): Option[T]

    Tries to extract a B from an A in a pattern matching expression.

    Tries to extract a B from an A in a pattern matching expression.

    Implicit
    This member is added by an implicit conversion from Array[T] toIndexedSeq[T] performed by method copyArrayToImmutableIndexedSeq in scala.LowPriorityImplicits2.
    Definition Classes
    PartialFunction
  182. def unzip[A1, A2](implicit asPair: (T) => (A1, A2), ct1: ClassTag[A1], ct2: ClassTag[A2]): (Array[A1], Array[A2])

    Converts an array of pairs into an array of first elements and an array of second elements.

    Converts an array of pairs into an array of first elements and an array of second elements.

    A1

    the type of the first half of the element pairs

    A2

    the type of the second half of the element pairs

    asPair

    an implicit conversion which asserts that the element type of this Array is a pair.

    ct1

    a class tag for A1 type parameter that is required to create an instance of Array[A1]

    ct2

    a class tag for A2 type parameter that is required to create an instance of Array[A2]

    returns

    a pair of Arrays, containing, respectively, the first and second half of each element pair of this Array.

    Implicit
    This member is added by an implicit conversion from Array[T] toArrayOps[T] performed by method genericArrayOps in scala.Predef.
    Definition Classes
    ArrayOps
  183. def unzip[A1, A2](implicit asPair: (T) => (A1, A2)): (collection.immutable.IndexedSeq[A1], collection.immutable.IndexedSeq[A2])

    Converts this immutable sequence of pairs into two collections of the first and second half of each pair.

    Converts this immutable sequence of pairs into two collections of the first and second half of each pair.

    val xs = `immutable.Seq`(
               (1, "one"),
               (2, "two"),
               (3, "three")).unzip
    // xs == (`immutable.Seq`(1, 2, 3),
    //        `immutable.Seq`(one, two, three))
    A1

    the type of the first half of the element pairs

    A2

    the type of the second half of the element pairs

    asPair

    an implicit conversion which asserts that the element type of this immutable sequence is a pair.

    returns

    a pair of immutable sequences, containing the first, respectively second half of each element pair of this immutable sequence.

    Implicit
    This member is added by an implicit conversion from Array[T] toIndexedSeq[T] performed by method copyArrayToImmutableIndexedSeq in scala.LowPriorityImplicits2.
    Definition Classes
    IterableOps
  184. def unzip3[A1, A2, A3](implicit asTriple: (T) => (A1, A2, A3), ct1: ClassTag[A1], ct2: ClassTag[A2], ct3: ClassTag[A3]): (Array[A1], Array[A2], Array[A3])

    Converts an array of triples into three arrays, one containing the elements from each position of the triple.

    Converts an array of triples into three arrays, one containing the elements from each position of the triple.

    A1

    the type of the first of three elements in the triple

    A2

    the type of the second of three elements in the triple

    A3

    the type of the third of three elements in the triple

    asTriple

    an implicit conversion which asserts that the element type of this Array is a triple.

    ct1

    a class tag for T1 type parameter that is required to create an instance of Array[T1]

    ct2

    a class tag for T2 type parameter that is required to create an instance of Array[T2]

    ct3

    a class tag for T3 type parameter that is required to create an instance of Array[T3]

    returns

    a triple of Arrays, containing, respectively, the first, second, and third elements from each element triple of this Array.

    Implicit
    This member is added by an implicit conversion from Array[T] toArrayOps[T] performed by method genericArrayOps in scala.Predef.
    Definition Classes
    ArrayOps
  185. def unzip3[A1, A2, A3](implicit asTriple: (T) => (A1, A2, A3)): (collection.immutable.IndexedSeq[A1], collection.immutable.IndexedSeq[A2], collection.immutable.IndexedSeq[A3])

    Converts this immutable sequence of triples into three collections of the first, second, and third element of each triple.

    Converts this immutable sequence of triples into three collections of the first, second, and third element of each triple.

    val xs = `immutable.Seq`(
               (1, "one", '1'),
               (2, "two", '2'),
               (3, "three", '3')).unzip3
    // xs == (`immutable.Seq`(1, 2, 3),
    //        `immutable.Seq`(one, two, three),
    //        `immutable.Seq`(1, 2, 3))
    A1

    the type of the first member of the element triples

    A2

    the type of the second member of the element triples

    A3

    the type of the third member of the element triples

    asTriple

    an implicit conversion which asserts that the element type of this immutable sequence is a triple.

    returns

    a triple of immutable sequences, containing the first, second, respectively third member of each element triple of this immutable sequence.

    Implicit
    This member is added by an implicit conversion from Array[T] toIndexedSeq[T] performed by method copyArrayToImmutableIndexedSeq in scala.LowPriorityImplicits2.
    Definition Classes
    IterableOps
  186. def update(i: Int, x: T): Unit

    Update the element at given index.

    Update the element at given index.

    Indices start at 0; xs.update(i, x) replaces the ith element in the array. Note the syntax xs(i) = x is a shorthand for xs.update(i, x).

    i

    the index

    x

    the value to be written at index i

    Exceptions thrown

    ArrayIndexOutOfBoundsException if i < 0 or length <= i

  187. def updated[B >: A](index: Int, elem: B)(implicit arg0: ClassTag[B]): Array[B]

    A copy of this array with one single replaced element.

    A copy of this array with one single replaced element.

    index

    the position of the replacement

    elem

    the replacing element

    returns

    a new array which is a copy of this array with the element at position index replaced by elem.

    Implicit
    This member is added by an implicit conversion from Array[T] toArrayOps[T] performed by method genericArrayOps in scala.Predef.
    Definition Classes
    ArrayOps
    Exceptions thrown

    IndexOutOfBoundsException if index does not satisfy 0 <= index < length.

  188. def updated[B >: A](index: Int, elem: B): collection.immutable.IndexedSeq[B]

    A copy of this immutable sequence with one single replaced element.

    A copy of this immutable sequence with one single replaced element.

    B

    the element type of the returned immutable sequence.

    index

    the position of the replacement

    elem

    the replacing element

    returns

    a new immutable sequence which is a copy of this immutable sequence with the element at position index replaced by elem.

    Implicit
    This member is added by an implicit conversion from Array[T] toIndexedSeq[T] performed by method copyArrayToImmutableIndexedSeq in scala.LowPriorityImplicits2.
    Definition Classes
    SeqOps
    Exceptions thrown

    IndexOutOfBoundsException if index does not satisfy 0 <= index < length. In case of a lazy collection this exception may be thrown at a later time or not at all (if the end of the collection is never evaluated).

  189. final def wait(): Unit

    See https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html#wait--.

    Definition Classes
    AnyRef
    Annotations
    @throws(classOf[java.lang.InterruptedException])
    Note

    not specified by SLS as a member of AnyRef

  190. final def wait(arg0: Long, arg1: Int): Unit

    See https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html#wait-long-int-

    Definition Classes
    AnyRef
    Annotations
    @throws(classOf[java.lang.InterruptedException])
    Note

    not specified by SLS as a member of AnyRef

  191. final def wait(arg0: Long): Unit

    See https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html#wait-long-.

    Definition Classes
    AnyRef
    Annotations
    @throws(classOf[java.lang.InterruptedException]) @native()
    Note

    not specified by SLS as a member of AnyRef

  192. def zip[B](that: collection.IterableOnce[B]): Array[(T, B)]

    Returns an array formed from this array and another iterable collection by combining corresponding elements in pairs.

    Returns an array formed from this array and another iterable collection by combining corresponding elements in pairs. If one of the two collections is longer than the other, its remaining elements are ignored.

    B

    the type of the second half of the returned pairs

    that

    The iterable providing the second half of each result pair

    returns

    a new array containing pairs consisting of corresponding elements of this array and that. The length of the returned array is the minimum of the lengths of this array and that.

    Implicit
    This member is added by an implicit conversion from Array[T] toArrayOps[T] performed by method genericArrayOps in scala.Predef.
    Definition Classes
    ArrayOps
  193. def zip[B](that: collection.IterableOnce[B]): collection.immutable.IndexedSeq[(T, B)]

    Returns a immutable sequence formed from this immutable sequence and another iterable collection by combining corresponding elements in pairs.

    Returns a immutable sequence formed from this immutable sequence and another iterable collection by combining corresponding elements in pairs. If one of the two collections is longer than the other, its remaining elements are ignored.

    B

    the type of the second half of the returned pairs

    that

    The iterable providing the second half of each result pair

    returns

    a new immutable sequence containing pairs consisting of corresponding elements of this immutable sequence and that. The length of the returned collection is the minimum of the lengths of this immutable sequence and that.

    Implicit
    This member is added by an implicit conversion from Array[T] toIndexedSeq[T] performed by method copyArrayToImmutableIndexedSeq in scala.LowPriorityImplicits2.
    Definition Classes
    IterableOps
  194. def zipAll[A1 >: A, B](that: collection.Iterable[B], thisElem: A1, thatElem: B): Array[(A1, B)]

    Returns an array formed from this array and another iterable collection by combining corresponding elements in pairs.

    Returns an array formed from this array and another iterable collection by combining corresponding elements in pairs. If one of the two collections is shorter than the other, placeholder elements are used to extend the shorter collection to the length of the longer.

    that

    the iterable providing the second half of each result pair

    thisElem

    the element to be used to fill up the result if this array is shorter than that.

    thatElem

    the element to be used to fill up the result if that is shorter than this array.

    returns

    a new array containing pairs consisting of corresponding elements of this array and that. The length of the returned array is the maximum of the lengths of this array and that. If this array is shorter than that, thisElem values are used to pad the result. If that is shorter than this array, thatElem values are used to pad the result.

    Implicit
    This member is added by an implicit conversion from Array[T] toArrayOps[T] performed by method genericArrayOps in scala.Predef.
    Definition Classes
    ArrayOps
  195. def zipAll[A1 >: A, B](that: collection.Iterable[B], thisElem: A1, thatElem: B): collection.immutable.IndexedSeq[(A1, B)]

    Returns a immutable sequence formed from this immutable sequence and another iterable collection by combining corresponding elements in pairs.

    Returns a immutable sequence formed from this immutable sequence and another iterable collection by combining corresponding elements in pairs. If one of the two collections is shorter than the other, placeholder elements are used to extend the shorter collection to the length of the longer.

    that

    the iterable providing the second half of each result pair

    thisElem

    the element to be used to fill up the result if this immutable sequence is shorter than that.

    thatElem

    the element to be used to fill up the result if that is shorter than this immutable sequence.

    returns

    a new collection of type That containing pairs consisting of corresponding elements of this immutable sequence and that. The length of the returned collection is the maximum of the lengths of this immutable sequence and that. If this immutable sequence is shorter than that, thisElem values are used to pad the result. If that is shorter than this immutable sequence, thatElem values are used to pad the result.

    Implicit
    This member is added by an implicit conversion from Array[T] toIndexedSeq[T] performed by method copyArrayToImmutableIndexedSeq in scala.LowPriorityImplicits2.
    Definition Classes
    IterableOps

Shadowed Implicit Value Members

  1. def apply(i: Int): T

    Get the element at the specified index.

    Get the element at the specified index. This operation is provided for convenience in Seq. It should not be assumed to be efficient unless you have an IndexedSeq.

    Implicit
    This member is added by an implicit conversion from Array[T] toIndexedSeq[T] performed by method copyArrayToImmutableIndexedSeq in scala.LowPriorityImplicits2.
    Shadowing
    This implicitly inherited member is shadowed by one or more members in this class.
    To access this member you can use a type ascription:
    (array: IndexedSeq[T]).apply(i)
    Definition Classes
    SeqOps
    Annotations
    @throws(cause = scala.this.throws.<init>$default$1[IndexOutOfBoundsException])
  2. def combinations(n: Int): collection.Iterator[Array[T]]

    Iterates over combinations.

    Iterates over combinations. A _combination_ of length n is a subsequence of the original array, with the elements taken in order. Thus, Array("x", "y") and Array("y", "y") are both length-2 combinations of Array("x", "y", "y"), but Array("y", "x") is not. If there is more than one way to generate the same subsequence, only one will be returned.

    For example, Array("x", "y", "y", "y") has three different ways to generate Array("x", "y") depending on whether the first, second, or third "y" is selected. However, since all are identical, only one will be chosen. Which of the three will be taken is an implementation detail that is not defined.

    returns

    An Iterator which traverses the possible n-element combinations of this array.

    Implicit
    This member is added by an implicit conversion from Array[T] toArrayOps[T] performed by method genericArrayOps in scala.Predef.
    Shadowing
    This implicitly inherited member is ambiguous. One or more implicitly inherited members have similar signatures, so calling this member may produce an ambiguous implicit conversion compiler error.
    To access this member you can use a type ascription:
    (array: ArrayOps[T]).combinations(n)
    Definition Classes
    ArrayOps
    Example:
    1. Array("a", "b", "b", "b", "c").combinations(2) == Iterator(Array(a, b), Array(a, c), Array(b, b), Array(b, c))
  3. def combinations(n: Int): collection.Iterator[collection.immutable.IndexedSeq[T]]

    Iterates over combinations.

    Iterates over combinations. A _combination_ of length n is a subsequence of the original sequence, with the elements taken in order. Thus, "xy" and "yy" are both length-2 combinations of "xyy", but "yx" is not. If there is more than one way to generate the same subsequence, only one will be returned.

    For example, "xyyy" has three different ways to generate "xy" depending on whether the first, second, or third "y" is selected. However, since all are identical, only one will be chosen. Which of the three will be taken is an implementation detail that is not defined.

    Note: Even when applied to a view or a lazy collection it will always force the elements.

    returns

    An Iterator which traverses the possible n-element combinations of this immutable sequence.

    Implicit
    This member is added by an implicit conversion from Array[T] toIndexedSeq[T] performed by method copyArrayToImmutableIndexedSeq in scala.LowPriorityImplicits2.
    Shadowing
    This implicitly inherited member is ambiguous. One or more implicitly inherited members have similar signatures, so calling this member may produce an ambiguous implicit conversion compiler error.
    To access this member you can use a type ascription:
    (array: IndexedSeq[T]).combinations(n)
    Definition Classes
    SeqOps
    Example:
    1. "abbbc".combinations(2) = Iterator(ab, ac, bb, bc)

  4. def contains(elem: T): Boolean

    Tests whether this array contains a given value as an element.

    Tests whether this array contains a given value as an element.

    elem

    the element to test.

    returns

    true if this array has an element that is equal (as determined by ==) to elem, false otherwise.

    Implicit
    This member is added by an implicit conversion from Array[T] toArrayOps[T] performed by method genericArrayOps in scala.Predef.
    Shadowing
    This implicitly inherited member is ambiguous. One or more implicitly inherited members have similar signatures, so calling this member may produce an ambiguous implicit conversion compiler error.
    To access this member you can use a type ascription:
    (array: ArrayOps[T]).contains(elem)
    Definition Classes
    ArrayOps
  5. def contains[A1 >: A](elem: A1): Boolean

    Tests whether this immutable sequence contains a given value as an element.

    Tests whether this immutable sequence contains a given value as an element.

    Note: may not terminate for infinite-sized collections.

    elem

    the element to test.

    returns

    true if this immutable sequence has an element that is equal (as determined by ==) to elem, false otherwise.

    Implicit
    This member is added by an implicit conversion from Array[T] toIndexedSeq[T] performed by method copyArrayToImmutableIndexedSeq in scala.LowPriorityImplicits2.
    Shadowing
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    (array: IndexedSeq[T]).contains(elem)
    Definition Classes
    SeqOps
  6. def count(p: (T) => Boolean): Int

    Counts the number of elements in this array which satisfy a predicate

    Counts the number of elements in this array which satisfy a predicate

    Implicit
    This member is added by an implicit conversion from Array[T] toArrayOps[T] performed by method genericArrayOps in scala.Predef.
    Shadowing
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    (array: ArrayOps[T]).count(p)
    Definition Classes
    ArrayOps
  7. def count(p: (T) => Boolean): Int

    Counts the number of elements in the immutable sequence which satisfy a predicate.

    Counts the number of elements in the immutable sequence which satisfy a predicate.

    Note: will not terminate for infinite-sized collections.

    p

    the predicate used to test elements.

    returns

    the number of elements satisfying the predicate p.

    Implicit
    This member is added by an implicit conversion from Array[T] toIndexedSeq[T] performed by method copyArrayToImmutableIndexedSeq in scala.LowPriorityImplicits2.
    Shadowing
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    (array: IndexedSeq[T]).count(p)
    Definition Classes
    IterableOnceOps
  8. def distinct: Array[T]

    Selects all the elements of this array ignoring the duplicates.

    Selects all the elements of this array ignoring the duplicates.

    returns

    a new array consisting of all the elements of this array without duplicates.

    Implicit
    This member is added by an implicit conversion from Array[T] toArrayOps[T] performed by method genericArrayOps in scala.Predef.
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    (array: ArrayOps[T]).distinct
    Definition Classes
    ArrayOps
  9. def distinct: collection.immutable.IndexedSeq[T]

    Selects all the elements of this immutable sequence ignoring the duplicates.

    Selects all the elements of this immutable sequence ignoring the duplicates.

    returns

    a new immutable sequence consisting of all the elements of this immutable sequence without duplicates.

    Implicit
    This member is added by an implicit conversion from Array[T] toIndexedSeq[T] performed by method copyArrayToImmutableIndexedSeq in scala.LowPriorityImplicits2.
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    Definition Classes
    SeqOps
  10. def drop(n: Int): Array[T]

    The rest of the array without its n first elements.

    The rest of the array without its n first elements.

    Implicit
    This member is added by an implicit conversion from Array[T] toArrayOps[T] performed by method genericArrayOps in scala.Predef.
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    (array: ArrayOps[T]).drop(n)
    Definition Classes
    ArrayOps
  11. def drop(n: Int): collection.immutable.IndexedSeq[T]

    Selects all elements except first n ones.

    Selects all elements except first n ones.

    n

    the number of elements to drop from this immutable sequence.

    returns

    a immutable sequence consisting of all elements of this immutable sequence except the first n ones, or else the empty immutable sequence, if this immutable sequence has less than n elements. If n is negative, don't drop any elements.

    Implicit
    This member is added by an implicit conversion from Array[T] toIndexedSeq[T] performed by method copyArrayToImmutableIndexedSeq in scala.LowPriorityImplicits2.
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    (array: IndexedSeq[T]).drop(n)
    Definition Classes
    IndexedSeqOpsIterableOpsIterableOnceOps
  12. def dropRight(n: Int): Array[T]

    The rest of the array without its n last elements.

    The rest of the array without its n last elements.

    Implicit
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    (array: ArrayOps[T]).dropRight(n)
    Definition Classes
    ArrayOps
  13. def dropRight(n: Int): collection.immutable.IndexedSeq[T]

    Selects all elements except last n ones.

    Selects all elements except last n ones.

    n

    the number of elements to drop from this immutable sequence.

    returns

    a immutable sequence consisting of all elements of this immutable sequence except the last n ones, or else the empty immutable sequence, if this immutable sequence has less than n elements. If n is negative, don't drop any elements.

    Implicit
    This member is added by an implicit conversion from Array[T] toIndexedSeq[T] performed by method copyArrayToImmutableIndexedSeq in scala.LowPriorityImplicits2.
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    (array: IndexedSeq[T]).dropRight(n)
    Definition Classes
    IndexedSeqOpsIterableOps
  14. def dropWhile(p: (T) => Boolean): Array[T]

    Drops longest prefix of elements that satisfy a predicate.

    Drops longest prefix of elements that satisfy a predicate.

    p

    The predicate used to test elements.

    returns

    the longest suffix of this array whose first element does not satisfy the predicate p.

    Implicit
    This member is added by an implicit conversion from Array[T] toArrayOps[T] performed by method genericArrayOps in scala.Predef.
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    (array: ArrayOps[T]).dropWhile(p)
    Definition Classes
    ArrayOps
  15. def dropWhile(p: (T) => Boolean): collection.immutable.IndexedSeq[T]

    Drops longest prefix of elements that satisfy a predicate.

    Drops longest prefix of elements that satisfy a predicate.

    p

    The predicate used to test elements.

    returns

    the longest suffix of this immutable sequence whose first element does not satisfy the predicate p.

    Implicit
    This member is added by an implicit conversion from Array[T] toIndexedSeq[T] performed by method copyArrayToImmutableIndexedSeq in scala.LowPriorityImplicits2.
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    (array: IndexedSeq[T]).dropWhile(p)
    Definition Classes
    IterableOpsIterableOnceOps
  16. def equals(o: Any): Boolean

    The universal equality method defined in AnyRef.

    The universal equality method defined in AnyRef.

    Implicit
    This member is added by an implicit conversion from Array[T] toIndexedSeq[T] performed by method copyArrayToImmutableIndexedSeq in scala.LowPriorityImplicits2.
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    (array: IndexedSeq[T]).equals(o)
    Definition Classes
    SeqEquals → AnyRef → Any
  17. def exists(p: (T) => Boolean): Boolean

    Tests whether a predicate holds for at least one element of this array.

    Tests whether a predicate holds for at least one element of this array.

    p

    the predicate used to test elements.

    returns

    true if the given predicate p is satisfied by at least one element of this array, otherwise false

    Implicit
    This member is added by an implicit conversion from Array[T] toArrayOps[T] performed by method genericArrayOps in scala.Predef.
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    Definition Classes
    ArrayOps
  18. def exists(p: (T) => Boolean): Boolean

    Tests whether a predicate holds for at least one element of this immutable sequence.

    Tests whether a predicate holds for at least one element of this immutable sequence.

    Note: may not terminate for infinite-sized collections.

    p

    the predicate used to test elements.

    returns

    true if the given predicate p is satisfied by at least one element of this immutable sequence, otherwise false

    Implicit
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    (array: IndexedSeq[T]).exists(p)
    Definition Classes
    IterableOnceOps
  19. def filter(p: (T) => Boolean): Array[T]

    Selects all elements of this array which satisfy a predicate.

    Selects all elements of this array which satisfy a predicate.

    p

    the predicate used to test elements.

    returns

    a new array consisting of all elements of this array that satisfy the given predicate p.

    Implicit
    This member is added by an implicit conversion from Array[T] toArrayOps[T] performed by method genericArrayOps in scala.Predef.
    Shadowing
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    (array: ArrayOps[T]).filter(p)
    Definition Classes
    ArrayOps
  20. def filter(pred: (T) => Boolean): collection.immutable.IndexedSeq[T]

    Selects all elements of this immutable sequence which satisfy a predicate.

    Selects all elements of this immutable sequence which satisfy a predicate.

    returns

    a new immutable sequence consisting of all elements of this immutable sequence that satisfy the given predicate p. The order of the elements is preserved.

    Implicit
    This member is added by an implicit conversion from Array[T] toIndexedSeq[T] performed by method copyArrayToImmutableIndexedSeq in scala.LowPriorityImplicits2.
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    (array: IndexedSeq[T]).filter(pred)
    Definition Classes
    IterableOpsIterableOnceOps
  21. def filterNot(p: (T) => Boolean): Array[T]

    Selects all elements of this array which do not satisfy a predicate.

    Selects all elements of this array which do not satisfy a predicate.

    p

    the predicate used to test elements.

    returns

    a new array consisting of all elements of this array that do not satisfy the given predicate p.

    Implicit
    This member is added by an implicit conversion from Array[T] toArrayOps[T] performed by method genericArrayOps in scala.Predef.
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    (array: ArrayOps[T]).filterNot(p)
    Definition Classes
    ArrayOps
  22. def filterNot(pred: (T) => Boolean): collection.immutable.IndexedSeq[T]

    Selects all elements of this immutable sequence which do not satisfy a predicate.

    Selects all elements of this immutable sequence which do not satisfy a predicate.

    pred

    the predicate used to test elements.

    returns

    a new immutable sequence consisting of all elements of this immutable sequence that do not satisfy the given predicate pred. Their order may not be preserved.

    Implicit
    This member is added by an implicit conversion from Array[T] toIndexedSeq[T] performed by method copyArrayToImmutableIndexedSeq in scala.LowPriorityImplicits2.
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    (array: IndexedSeq[T]).filterNot(pred)
    Definition Classes
    IterableOpsIterableOnceOps
  23. def find(p: (T) => Boolean): Option[T]

    Finds the first element of the array satisfying a predicate, if any.

    Finds the first element of the array satisfying a predicate, if any.

    p

    the predicate used to test elements.

    returns

    an option value containing the first element in the array that satisfies p, or None if none exists.

    Implicit
    This member is added by an implicit conversion from Array[T] toArrayOps[T] performed by method genericArrayOps in scala.Predef.
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    (array: ArrayOps[T]).find(p)
    Definition Classes
    ArrayOps
  24. def find(p: (T) => Boolean): Option[T]

    Finds the first element of the immutable sequence satisfying a predicate, if any.

    Finds the first element of the immutable sequence satisfying a predicate, if any.

    Note: may not terminate for infinite-sized collections.

    p

    the predicate used to test elements.

    returns

    an option value containing the first element in the immutable sequence that satisfies p, or None if none exists.

    Implicit
    This member is added by an implicit conversion from Array[T] toIndexedSeq[T] performed by method copyArrayToImmutableIndexedSeq in scala.LowPriorityImplicits2.
    Shadowing
    This implicitly inherited member is ambiguous. One or more implicitly inherited members have similar signatures, so calling this member may produce an ambiguous implicit conversion compiler error.
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    (array: IndexedSeq[T]).find(p)
    Definition Classes
    IterableOnceOps
  25. def forall(p: (T) => Boolean): Boolean

    Tests whether a predicate holds for all elements of this array.

    Tests whether a predicate holds for all elements of this array.

    p

    the predicate used to test elements.

    returns

    true if this array is empty or the given predicate p holds for all elements of this array, otherwise false.

    Implicit
    This member is added by an implicit conversion from Array[T] toArrayOps[T] performed by method genericArrayOps in scala.Predef.
    Shadowing
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    (array: ArrayOps[T]).forall(p)
    Definition Classes
    ArrayOps
  26. def forall(p: (T) => Boolean): Boolean

    Tests whether a predicate holds for all elements of this immutable sequence.

    Tests whether a predicate holds for all elements of this immutable sequence.

    Note: may not terminate for infinite-sized collections.

    p

    the predicate used to test elements.

    returns

    true if this immutable sequence is empty or the given predicate p holds for all elements of this immutable sequence, otherwise false.

    Implicit
    This member is added by an implicit conversion from Array[T] toIndexedSeq[T] performed by method copyArrayToImmutableIndexedSeq in scala.LowPriorityImplicits2.
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    (array: IndexedSeq[T]).forall(p)
    Definition Classes
    IterableOnceOps
  27. def grouped(size: Int): collection.Iterator[Array[T]]

    Partitions elements in fixed size arrays.

    Partitions elements in fixed size arrays.

    size

    the number of elements per group

    returns

    An iterator producing arrays of size size, except the last will be less than size size if the elements don't divide evenly.

    Implicit
    This member is added by an implicit conversion from Array[T] toArrayOps[T] performed by method genericArrayOps in scala.Predef.
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    (array: ArrayOps[T]).grouped(size)
    Definition Classes
    ArrayOps
    See also

    scala.collection.Iterator, method grouped

  28. def grouped(size: Int): collection.Iterator[collection.immutable.IndexedSeq[T]]

    Partitions elements in fixed size immutable sequences.

    Partitions elements in fixed size immutable sequences.

    size

    the number of elements per group

    returns

    An iterator producing immutable sequences of size size, except the last will be less than size size if the elements don't divide evenly.

    Implicit
    This member is added by an implicit conversion from Array[T] toIndexedSeq[T] performed by method copyArrayToImmutableIndexedSeq in scala.LowPriorityImplicits2.
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    (array: IndexedSeq[T]).grouped(size)
    Definition Classes
    IterableOps
    See also

    scala.collection.Iterator, method grouped

  29. def hashCode(): Int

    The hashCode method for reference types.

    The hashCode method for reference types. See hashCode in scala.Any.

    returns

    the hash code value for this object.

    Implicit
    This member is added by an implicit conversion from Array[T] toIndexedSeq[T] performed by method copyArrayToImmutableIndexedSeq in scala.LowPriorityImplicits2.
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    This implicitly inherited member is shadowed by one or more members in this class.
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    (array: IndexedSeq[T]).hashCode()
    Definition Classes
    Seq → AnyRef → Any
  30. def head: T

    Selects the first element of this array.

    Selects the first element of this array.

    returns

    the first element of this array.

    Implicit
    This member is added by an implicit conversion from Array[T] toArrayOps[T] performed by method genericArrayOps in scala.Predef.
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    (array: ArrayOps[T]).head
    Definition Classes
    ArrayOps
    Exceptions thrown

    NoSuchElementException if the array is empty.

  31. def head: T

    Selects the first element of this immutable sequence.

    Selects the first element of this immutable sequence.

    returns

    the first element of this immutable sequence.

    Implicit
    This member is added by an implicit conversion from Array[T] toIndexedSeq[T] performed by method copyArrayToImmutableIndexedSeq in scala.LowPriorityImplicits2.
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    (array: IndexedSeq[T]).head
    Definition Classes
    IndexedSeqOpsIterableOps
    Exceptions thrown

    NoSuchElementException if the immutable sequence is empty.

  32. def headOption: Option[T]

    Optionally selects the first element.

    Optionally selects the first element.

    returns

    the first element of this array if it is nonempty, None if it is empty.

    Implicit
    This member is added by an implicit conversion from Array[T] toArrayOps[T] performed by method genericArrayOps in scala.Predef.
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    Definition Classes
    ArrayOps
  33. def headOption: Option[T]

    Optionally selects the first element.

    Optionally selects the first element.

    returns

    the first element of this immutable sequence if it is nonempty, None if it is empty.

    Implicit
    This member is added by an implicit conversion from Array[T] toIndexedSeq[T] performed by method copyArrayToImmutableIndexedSeq in scala.LowPriorityImplicits2.
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    (array: IndexedSeq[T]).headOption
    Definition Classes
    IndexedSeqOpsIterableOps
  34. def indexOf(elem: T, from: Int = 0): Int

    Finds index of first occurrence of some value in this array after or at some start index.

    Finds index of first occurrence of some value in this array after or at some start index.

    elem

    the element value to search for.

    from

    the start index

    returns

    the index >= from of the first element of this array that is equal (as determined by ==) to elem, or -1, if none exists.

    Implicit
    This member is added by an implicit conversion from Array[T] toArrayOps[T] performed by method genericArrayOps in scala.Predef.
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    (array: ArrayOps[T]).indexOf(elem, from)
    Definition Classes
    ArrayOps
  35. def indexOf[B >: A](elem: B, from: Int): Int

    Finds index of first occurrence of some value in this immutable sequence after or at some start index.

    Finds index of first occurrence of some value in this immutable sequence after or at some start index.

    B

    the type of the element elem.

    elem

    the element value to search for.

    from

    the start index

    returns

    the index >= from of the first element of this immutable sequence that is equal (as determined by ==) to elem, or -1, if none exists.

    Implicit
    This member is added by an implicit conversion from Array[T] toIndexedSeq[T] performed by method copyArrayToImmutableIndexedSeq in scala.LowPriorityImplicits2.
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    (array: IndexedSeq[T]).indexOf(elem, from)
    Definition Classes
    SeqOps
  36. def indexWhere(p: (T) => Boolean, from: Int = 0): Int

    Finds index of the first element satisfying some predicate after or at some start index.

    Finds index of the first element satisfying some predicate after or at some start index.

    p

    the predicate used to test elements.

    from

    the start index

    returns

    the index >= from of the first element of this array that satisfies the predicate p, or -1, if none exists.

    Implicit
    This member is added by an implicit conversion from Array[T] toArrayOps[T] performed by method genericArrayOps in scala.Predef.
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    (array: ArrayOps[T]).indexWhere(p, from)
    Definition Classes
    ArrayOps
  37. def indexWhere(p: (T) => Boolean, from: Int): Int

    Finds index of the first element satisfying some predicate after or at some start index.

    Finds index of the first element satisfying some predicate after or at some start index.

    Note: may not terminate for infinite-sized collections.

    p

    the predicate used to test elements.

    from

    the start index

    returns

    the index >= from of the first element of this immutable sequence that satisfies the predicate p, or -1, if none exists.

    Implicit
    This member is added by an implicit conversion from Array[T] toIndexedSeq[T] performed by method copyArrayToImmutableIndexedSeq in scala.LowPriorityImplicits2.
    Shadowing
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    (array: IndexedSeq[T]).indexWhere(p, from)
    Definition Classes
    SeqOps
  38. def indices: collection.immutable.Range

    Produces the range of all indices of this sequence.

    Produces the range of all indices of this sequence.

    returns

    a Range value from 0 to one less than the length of this array.

    Implicit
    This member is added by an implicit conversion from Array[T] toArrayOps[T] performed by method genericArrayOps in scala.Predef.
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    This implicitly inherited member is ambiguous. One or more implicitly inherited members have similar signatures, so calling this member may produce an ambiguous implicit conversion compiler error.
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    (array: ArrayOps[T]).indices
    Definition Classes
    ArrayOps
  39. def indices: collection.immutable.Range

    Produces the range of all indices of this sequence.

    Produces the range of all indices of this sequence.

    Note: Even when applied to a view or a lazy collection it will always force the elements.

    returns

    a Range value from 0 to one less than the length of this immutable sequence.

    Implicit
    This member is added by an implicit conversion from Array[T] toIndexedSeq[T] performed by method copyArrayToImmutableIndexedSeq in scala.LowPriorityImplicits2.
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    (array: IndexedSeq[T]).indices
    Definition Classes
    SeqOps
  40. def init: Array[T]

    The initial part of the array without its last element.

    The initial part of the array without its last element.

    Implicit
    This member is added by an implicit conversion from Array[T] toArrayOps[T] performed by method genericArrayOps in scala.Predef.
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    (array: ArrayOps[T]).init
    Definition Classes
    ArrayOps
  41. def init: collection.immutable.IndexedSeq[T]

    The initial part of the collection without its last element.

    The initial part of the collection without its last element.

    Note: Even when applied to a view or a lazy collection it will always force the elements.

    Implicit
    This member is added by an implicit conversion from Array[T] toIndexedSeq[T] performed by method copyArrayToImmutableIndexedSeq in scala.LowPriorityImplicits2.
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    Definition Classes
    IterableOps
  42. def inits: collection.Iterator[Array[T]]

    Iterates over the inits of this array.

    Iterates over the inits of this array. The first value will be this array and the final one will be an empty array, with the intervening values the results of successive applications of init.

    returns

    an iterator over all the inits of this array

    Implicit
    This member is added by an implicit conversion from Array[T] toArrayOps[T] performed by method genericArrayOps in scala.Predef.
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    (array: ArrayOps[T]).inits
    Definition Classes
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  43. def inits: collection.Iterator[collection.immutable.IndexedSeq[T]]

    Iterates over the inits of this immutable sequence.

    Iterates over the inits of this immutable sequence. The first value will be this immutable sequence and the final one will be an empty immutable sequence, with the intervening values the results of successive applications of init.

    Note: Even when applied to a view or a lazy collection it will always force the elements.

    returns

    an iterator over all the inits of this immutable sequence

    Implicit
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    Definition Classes
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    Example:
    1. List(1,2,3).inits = Iterator(List(1,2,3), List(1,2), List(1), Nil)

  44. def isEmpty: Boolean

    Tests whether the array is empty.

    Tests whether the array is empty.

    returns

    true if the array contains no elements, false otherwise.

    Implicit
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    Definition Classes
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    Annotations
    @inline()
  45. def isEmpty: Boolean

    Tests whether the immutable sequence is empty.

    Tests whether the immutable sequence is empty.

    Note: Implementations in subclasses that are not repeatedly traversable must take care not to consume any elements when isEmpty is called.

    returns

    true if the immutable sequence contains no elements, false otherwise.

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    Definition Classes
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  46. def iterator: collection.Iterator[T]
    Implicit
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    Definition Classes
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  47. def iterator: collection.Iterator[T]

    Iterator can be used only once

    Iterator can be used only once

    Implicit
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  48. def knownSize: Int

    The size of this array.

    The size of this array.

    returns

    the number of elements in this array.

    Implicit
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    Definition Classes
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    Annotations
    @inline()
  49. def knownSize: Int

    returns

    The number of elements in this immutable sequence, if it can be cheaply computed, -1 otherwise. Cheaply usually means: Not requiring a collection traversal.

    Implicit
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    Definition Classes
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  50. def last: T

    Selects the last element.

    Selects the last element.

    returns

    The last element of this array.

    Implicit
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    Definition Classes
    ArrayOps
    Exceptions thrown

    NoSuchElementException If the array is empty.

  51. def last: T

    Selects the last element.

    Selects the last element.

    returns

    The last element of this immutable sequence.

    Implicit
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    Definition Classes
    IndexedSeqOpsIterableOps
    Exceptions thrown

    NoSuchElementException If the immutable sequence is empty.

  52. def lastIndexOf(elem: T, end: Int = xs.length - 1): Int

    Finds index of last occurrence of some value in this array before or at a given end index.

    Finds index of last occurrence of some value in this array before or at a given end index.

    elem

    the element value to search for.

    end

    the end index.

    returns

    the index <= end of the last element of this array that is equal (as determined by ==) to elem, or -1, if none exists.

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    Definition Classes
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  53. def lastIndexOf[B >: A](elem: B, end: Int = length - 1): Int

    Finds index of last occurrence of some value in this immutable sequence before or at a given end index.

    Finds index of last occurrence of some value in this immutable sequence before or at a given end index.

    Note: will not terminate for infinite-sized collections.

    B

    the type of the element elem.

    elem

    the element value to search for.

    end

    the end index.

    returns

    the index <= end of the last element of this immutable sequence that is equal (as determined by ==) to elem, or -1, if none exists.

    Implicit
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    Definition Classes
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  54. def lastIndexWhere(p: (T) => Boolean, end: Int = xs.length - 1): Int

    Finds index of last element satisfying some predicate before or at given end index.

    Finds index of last element satisfying some predicate before or at given end index.

    p

    the predicate used to test elements.

    returns

    the index <= end of the last element of this array that satisfies the predicate p, or -1, if none exists.

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    Definition Classes
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  55. def lastIndexWhere(p: (T) => Boolean, end: Int): Int

    Finds index of last element satisfying some predicate before or at given end index.

    Finds index of last element satisfying some predicate before or at given end index.

    Note: will not terminate for infinite-sized collections.

    p

    the predicate used to test elements.

    returns

    the index <= end of the last element of this immutable sequence that satisfies the predicate p, or -1, if none exists.

    Implicit
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    Definition Classes
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  56. def lastOption: Option[T]

    Optionally selects the last element.

    Optionally selects the last element.

    returns

    the last element of this array$ if it is nonempty, None if it is empty.

    Implicit
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    (array: ArrayOps[T]).lastOption
    Definition Classes
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  57. def lastOption: Option[T]

    Optionally selects the last element.

    Optionally selects the last element.

    returns

    the last element of this immutable sequence$ if it is nonempty, None if it is empty.

    Implicit
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    Definition Classes
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  58. def length: Int

    The length (number of elements) of the immutable sequence.

    The length (number of elements) of the immutable sequence. size is an alias for length in Seq collections.

    Implicit
    This member is added by an implicit conversion from Array[T] toIndexedSeq[T] performed by method copyArrayToImmutableIndexedSeq in scala.LowPriorityImplicits2.
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    Definition Classes
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  59. def lengthCompare(len: Int): Int

    Compares the length of this array to a test value.

    Compares the length of this array to a test value.

    len

    the test value that gets compared with the length.

    returns

    A value x where

    x <  0       if this.length <  len
    x == 0       if this.length == len
    x >  0       if this.length >  len
    Implicit
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    Definition Classes
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  60. final def lengthCompare(len: Int): Int

    Compares the length of this immutable sequence to a test value.

    Compares the length of this immutable sequence to a test value.

    len

    the test value that gets compared with the length.

    returns

    A value x where

    x <  0       if this.length <  len
    x == 0       if this.length == len
    x >  0       if this.length >  len

    The method as implemented here does not call length directly; its running time is O(length min len) instead of O(length). The method should be overridden if computing length is cheap and knownSize returns -1.

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    Definition Classes
    IndexedSeqOpsSeqOps
    See also

    lengthIs

  61. def lengthIs: Int

    Method mirroring SeqOps.lengthIs for consistency, except it returns an Int because length is known and comparison is constant-time.

    Method mirroring SeqOps.lengthIs for consistency, except it returns an Int because length is known and comparison is constant-time.

    These operations are equivalent to lengthCompare(Int), and allow the following more readable usages:

    this.lengthIs < len     // this.lengthCompare(len) < 0
    this.lengthIs <= len    // this.lengthCompare(len) <= 0
    this.lengthIs == len    // this.lengthCompare(len) == 0
    this.lengthIs != len    // this.lengthCompare(len) != 0
    this.lengthIs >= len    // this.lengthCompare(len) >= 0
    this.lengthIs > len     // this.lengthCompare(len) > 0
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    Definition Classes
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  62. final def lengthIs: SizeCompareOps

    Returns a value class containing operations for comparing the length of this immutable sequence to a test value.

    Returns a value class containing operations for comparing the length of this immutable sequence to a test value.

    These operations are implemented in terms of lengthCompare(Int), and allow the following more readable usages:

    this.lengthIs < len     // this.lengthCompare(len) < 0
    this.lengthIs <= len    // this.lengthCompare(len) <= 0
    this.lengthIs == len    // this.lengthCompare(len) == 0
    this.lengthIs != len    // this.lengthCompare(len) != 0
    this.lengthIs >= len    // this.lengthCompare(len) >= 0
    this.lengthIs > len     // this.lengthCompare(len) > 0
    Implicit
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    Definition Classes
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    Annotations
    @inline()
  63. def nonEmpty: Boolean

    Tests whether the array is not empty.

    Tests whether the array is not empty.

    returns

    true if the array contains at least one element, false otherwise.

    Implicit
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    Definition Classes
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    Annotations
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  64. def nonEmpty: Boolean

    Tests whether the immutable sequence is not empty.

    Tests whether the immutable sequence is not empty.

    returns

    true if the immutable sequence contains at least one element, false otherwise.

    Implicit
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    Definition Classes
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  65. def partition(p: (T) => Boolean): (Array[T], Array[T])

    A pair of, first, all elements that satisfy predicate p and, second, all elements that do not.

    A pair of, first, all elements that satisfy predicate p and, second, all elements that do not.

    Implicit
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    Definition Classes
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  66. def partition(p: (T) => Boolean): (collection.immutable.IndexedSeq[T], collection.immutable.IndexedSeq[T])

    A pair of, first, all elements that satisfy predicate p and, second, all elements that do not.

    A pair of, first, all elements that satisfy predicate p and, second, all elements that do not. Interesting because it splits a collection in two.

    The default implementation provided here needs to traverse the collection twice. Strict collections have an overridden version of partition in StrictOptimizedIterableOps, which requires only a single traversal.

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    Definition Classes
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  67. def permutations: collection.Iterator[Array[T]]

    Iterates over distinct permutations.

    Iterates over distinct permutations.

    returns

    An Iterator which traverses the distinct permutations of this array.

    Implicit
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    (array: ArrayOps[T]).permutations
    Definition Classes
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    Example:
    1. Array("a", "b", "b").permutations == Iterator(Array(a, b, b), Array(b, a, b), Array(b, b, a))
  68. def permutations: collection.Iterator[collection.immutable.IndexedSeq[T]]

    Iterates over distinct permutations.

    Iterates over distinct permutations.

    Note: Even when applied to a view or a lazy collection it will always force the elements.

    returns

    An Iterator which traverses the distinct permutations of this immutable sequence.

    Implicit
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    Definition Classes
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    Example:
    1. "abb".permutations = Iterator(abb, bab, bba)

  69. def reverse: Array[T]

    Returns a new array with the elements in reversed order.

    Returns a new array with the elements in reversed order.

    Implicit
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    (array: ArrayOps[T]).reverse
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    Annotations
    @inline()
  70. def reverse: collection.immutable.IndexedSeq[T]

    Returns new immutable sequence with elements in reversed order.

    Returns new immutable sequence with elements in reversed order.

    Note: will not terminate for infinite-sized collections.

    Note: Even when applied to a view or a lazy collection it will always force the elements.

    returns

    A new immutable sequence with all elements of this immutable sequence in reversed order.

    Implicit
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    Definition Classes
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  71. def reverseIterator: collection.Iterator[T]

    An iterator yielding elements in reversed order.

    An iterator yielding elements in reversed order.

    Note: xs.reverseIterator is the same as xs.reverse.iterator but implemented more efficiently.

    returns

    an iterator yielding the elements of this array in reversed order

    Implicit
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    Definition Classes
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  72. def reverseIterator: collection.Iterator[T]

    An iterator yielding elements in reversed order.

    An iterator yielding elements in reversed order.

    Note: will not terminate for infinite-sized collections.

    Note: xs.reverseIterator is the same as xs.reverse.iterator but might be more efficient.

    returns

    an iterator yielding the elements of this immutable sequence in reversed order

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    Definition Classes
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  73. def size: Int

    The size of this array.

    The size of this array.

    returns

    the number of elements in this array.

    Implicit
    This member is added by an implicit conversion from Array[T] toArrayOps[T] performed by method genericArrayOps in scala.Predef.
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    Annotations
    @inline()
  74. final def size: Int

    The size of this immutable sequence.

    The size of this immutable sequence.

    Note: will not terminate for infinite-sized collections.

    returns

    the number of elements in this immutable sequence.

    Implicit
    This member is added by an implicit conversion from Array[T] toIndexedSeq[T] performed by method copyArrayToImmutableIndexedSeq in scala.LowPriorityImplicits2.
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    Definition Classes
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  75. def sizeCompare(otherSize: Int): Int

    Compares the size of this array to a test value.

    Compares the size of this array to a test value.

    otherSize

    the test value that gets compared with the size.

    returns

    A value x where

    x <  0       if this.size <  otherSize
    x == 0       if this.size == otherSize
    x >  0       if this.size >  otherSize
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    Definition Classes
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  76. final def sizeCompare(otherSize: Int): Int

    Compares the size of this immutable sequence to a test value.

    Compares the size of this immutable sequence to a test value.

    otherSize

    the test value that gets compared with the size.

    returns

    A value x where

    x <  0       if this.size <  otherSize
    x == 0       if this.size == otherSize
    x >  0       if this.size >  otherSize

    The method as implemented here does not call size directly; its running time is O(size min otherSize) instead of O(size). The method should be overridden if computing size is cheap and knownSize returns -1.

    Implicit
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    Definition Classes
    SeqOpsIterableOps
    See also

    sizeIs

  77. def sizeIs: Int

    Method mirroring SeqOps.sizeIs for consistency, except it returns an Int because size is known and comparison is constant-time.

    Method mirroring SeqOps.sizeIs for consistency, except it returns an Int because size is known and comparison is constant-time.

    These operations are equivalent to sizeCompare(Int), and allow the following more readable usages:

    this.sizeIs < size     // this.sizeCompare(size) < 0
    this.sizeIs <= size    // this.sizeCompare(size) <= 0
    this.sizeIs == size    // this.sizeCompare(size) == 0
    this.sizeIs != size    // this.sizeCompare(size) != 0
    this.sizeIs >= size    // this.sizeCompare(size) >= 0
    this.sizeIs > size     // this.sizeCompare(size) > 0
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    Definition Classes
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  78. final def sizeIs: SizeCompareOps

    Returns a value class containing operations for comparing the size of this immutable sequence to a test value.

    Returns a value class containing operations for comparing the size of this immutable sequence to a test value.

    These operations are implemented in terms of sizeCompare(Int), and allow the following more readable usages:

    this.sizeIs < size     // this.sizeCompare(size) < 0
    this.sizeIs <= size    // this.sizeCompare(size) <= 0
    this.sizeIs == size    // this.sizeCompare(size) == 0
    this.sizeIs != size    // this.sizeCompare(size) != 0
    this.sizeIs >= size    // this.sizeCompare(size) >= 0
    this.sizeIs > size     // this.sizeCompare(size) > 0
    Implicit
    This member is added by an implicit conversion from Array[T] toIndexedSeq[T] performed by method copyArrayToImmutableIndexedSeq in scala.LowPriorityImplicits2.
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    Definition Classes
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    Annotations
    @inline()
  79. def slice(from: Int, until: Int): Array[T]

    Selects an interval of elements.

    Selects an interval of elements. The returned array is made up of all elements x which satisfy the invariant:

    from <= indexOf(x) < until
    from

    the lowest index to include from this array.

    until

    the lowest index to EXCLUDE from this array.

    returns

    an array containing the elements greater than or equal to index from extending up to (but not including) index until of this array.

    Implicit
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    (array: ArrayOps[T]).slice(from, until)
    Definition Classes
    ArrayOps
  80. def slice(from: Int, until: Int): collection.immutable.IndexedSeq[T]

    Selects an interval of elements.

    Selects an interval of elements. The returned immutable sequence is made up of all elements x which satisfy the invariant:

    from <= indexOf(x) < until
    from

    the lowest index to include from this immutable sequence.

    until

    the lowest index to EXCLUDE from this immutable sequence.

    returns

    a immutable sequence containing the elements greater than or equal to index from extending up to (but not including) index until of this immutable sequence.

    Implicit
    This member is added by an implicit conversion from Array[T] toIndexedSeq[T] performed by method copyArrayToImmutableIndexedSeq in scala.LowPriorityImplicits2.
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    (array: IndexedSeq[T]).slice(from, until)
    Definition Classes
    IndexedSeqOpsIndexedSeqOpsIterableOpsIterableOnceOps
  81. def sliding(size: Int, step: Int = 1): collection.Iterator[Array[T]]

    Groups elements in fixed size blocks by passing a "sliding window" over them (as opposed to partitioning them, as is done in grouped.)

    Groups elements in fixed size blocks by passing a "sliding window" over them (as opposed to partitioning them, as is done in grouped.)

    size

    the number of elements per group

    step

    the distance between the first elements of successive groups

    returns

    An iterator producing arrays of size size, except the last element (which may be the only element) will be truncated if there are fewer than size elements remaining to be grouped.

    Implicit
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    (array: ArrayOps[T]).sliding(size, step)
    Definition Classes
    ArrayOps
    See also

    scala.collection.Iterator, method sliding

  82. def sliding(size: Int, step: Int): collection.Iterator[collection.immutable.IndexedSeq[T]]

    Groups elements in fixed size blocks by passing a "sliding window" over them (as opposed to partitioning them, as is done in grouped.)

    Groups elements in fixed size blocks by passing a "sliding window" over them (as opposed to partitioning them, as is done in grouped.)

    The returned iterator will be empty when called on an empty collection. The last element the iterator produces may be smaller than the window size when the original collection isn't exhausted by the window before it and its last element isn't skipped by the step before it.

    size

    the number of elements per group

    step

    the distance between the first elements of successive groups

    returns

    An iterator producing immutable sequences of size size, except the last element (which may be the only element) will be smaller if there are fewer than size elements remaining to be grouped.

    Implicit
    This member is added by an implicit conversion from Array[T] toIndexedSeq[T] performed by method copyArrayToImmutableIndexedSeq in scala.LowPriorityImplicits2.
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    (array: IndexedSeq[T]).sliding(size, step)
    Definition Classes
    IterableOps
    Examples:
    1. List(1, 2, 3, 4, 5).sliding(2, 2) = Iterator(List(1, 2), List(3, 4), List(5))

    2. ,
    3. List(1, 2, 3, 4, 5, 6).sliding(2, 3) = Iterator(List(1, 2), List(4, 5))

    See also

    scala.collection.Iterator, method sliding

  83. def sortWith(lt: (T, T) => Boolean): Array[T]

    Sorts this array according to a comparison function.

    Sorts this array according to a comparison function.

    The sort is stable. That is, elements that are equal (as determined by lt) appear in the same order in the sorted sequence as in the original.

    lt

    the comparison function which tests whether its first argument precedes its second argument in the desired ordering.

    returns

    an array consisting of the elements of this array sorted according to the comparison function lt.

    Implicit
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    (array: ArrayOps[T]).sortWith(lt)
    Definition Classes
    ArrayOps
  84. def sortWith(lt: (T, T) => Boolean): collection.immutable.IndexedSeq[T]

    Sorts this immutable sequence according to a comparison function.

    Sorts this immutable sequence according to a comparison function.

    Note: will not terminate for infinite-sized collections.

    Note: Even when applied to a view or a lazy collection it will always force the elements.

    The sort is stable. That is, elements that are equal (as determined by lt) appear in the same order in the sorted sequence as in the original.

    lt

    the comparison function which tests whether its first argument precedes its second argument in the desired ordering.

    returns

    a immutable sequence consisting of the elements of this immutable sequence sorted according to the comparison function lt.

    Implicit
    This member is added by an implicit conversion from Array[T] toIndexedSeq[T] performed by method copyArrayToImmutableIndexedSeq in scala.LowPriorityImplicits2.
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    (array: IndexedSeq[T]).sortWith(lt)
    Definition Classes
    SeqOps
    Example:
    1. List("Steve", "Tom", "John", "Bob").sortWith(_.compareTo(_) < 0) =
      List("Bob", "John", "Steve", "Tom")
  85. def span(p: (T) => Boolean): (Array[T], Array[T])

    Splits this array into a prefix/suffix pair according to a predicate.

    Splits this array into a prefix/suffix pair according to a predicate.

    Note: c span p is equivalent to (but more efficient than) (c takeWhile p, c dropWhile p), provided the evaluation of the predicate p does not cause any side-effects.

    p

    the test predicate

    returns

    a pair consisting of the longest prefix of this array whose elements all satisfy p, and the rest of this array.

    Implicit
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    Definition Classes
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  86. def span(p: (T) => Boolean): (collection.immutable.IndexedSeq[T], collection.immutable.IndexedSeq[T])

    Splits this immutable sequence into a prefix/suffix pair according to a predicate.

    Splits this immutable sequence into a prefix/suffix pair according to a predicate.

    Note: c span p is equivalent to (but possibly more efficient than) (c takeWhile p, c dropWhile p), provided the evaluation of the predicate p does not cause any side-effects.

    p

    the test predicate

    returns

    a pair consisting of the longest prefix of this immutable sequence whose elements all satisfy p, and the rest of this immutable sequence.

    Implicit
    This member is added by an implicit conversion from Array[T] toIndexedSeq[T] performed by method copyArrayToImmutableIndexedSeq in scala.LowPriorityImplicits2.
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    Definition Classes
    IterableOpsIterableOnceOps
  87. def splitAt(n: Int): (Array[T], Array[T])

    Splits this array into two at a given position.

    Splits this array into two at a given position. Note: c splitAt n is equivalent to (c take n, c drop n).

    n

    the position at which to split.

    returns

    a pair of arrays consisting of the first n elements of this array, and the other elements.

    Implicit
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    (array: ArrayOps[T]).splitAt(n)
    Definition Classes
    ArrayOps
  88. def splitAt(n: Int): (collection.immutable.IndexedSeq[T], collection.immutable.IndexedSeq[T])

    Splits this immutable sequence into a prefix/suffix pair at a given position.

    Splits this immutable sequence into a prefix/suffix pair at a given position.

    Note: c splitAt n is equivalent to (but possibly more efficient than) (c take n, c drop n).

    n

    the position at which to split.

    returns

    a pair of immutable sequences consisting of the first n elements of this immutable sequence, and the other elements.

    Implicit
    This member is added by an implicit conversion from Array[T] toIndexedSeq[T] performed by method copyArrayToImmutableIndexedSeq in scala.LowPriorityImplicits2.
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    Definition Classes
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  89. def tail: Array[T]

    The rest of the array without its first element.

    The rest of the array without its first element.

    Implicit
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    (array: ArrayOps[T]).tail
    Definition Classes
    ArrayOps
  90. def tail: collection.immutable.IndexedSeq[T]

    The rest of the collection without its first element.

    The rest of the collection without its first element.

    Implicit
    This member is added by an implicit conversion from Array[T] toIndexedSeq[T] performed by method copyArrayToImmutableIndexedSeq in scala.LowPriorityImplicits2.
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    Definition Classes
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  91. def tails: collection.Iterator[Array[T]]

    Iterates over the tails of this array.

    Iterates over the tails of this array. The first value will be this array and the final one will be an empty array, with the intervening values the results of successive applications of tail.

    returns

    an iterator over all the tails of this array

    Implicit
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    Definition Classes
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  92. def tails: collection.Iterator[collection.immutable.IndexedSeq[T]]

    Iterates over the tails of this immutable sequence.

    Iterates over the tails of this immutable sequence. The first value will be this immutable sequence and the final one will be an empty immutable sequence, with the intervening values the results of successive applications of tail.

    returns

    an iterator over all the tails of this immutable sequence

    Implicit
    This member is added by an implicit conversion from Array[T] toIndexedSeq[T] performed by method copyArrayToImmutableIndexedSeq in scala.LowPriorityImplicits2.
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    (array: IndexedSeq[T]).tails
    Definition Classes
    IterableOps
    Example:
    1. List(1,2,3).tails = Iterator(List(1,2,3), List(2,3), List(3), Nil)

  93. def take(n: Int): Array[T]

    An array containing the first n elements of this array.

    An array containing the first n elements of this array.

    Implicit
    This member is added by an implicit conversion from Array[T] toArrayOps[T] performed by method genericArrayOps in scala.Predef.
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    (array: ArrayOps[T]).take(n)
    Definition Classes
    ArrayOps
  94. def take(n: Int): collection.immutable.IndexedSeq[T]

    Selects the first n elements.

    Selects the first n elements.

    n

    the number of elements to take from this immutable sequence.

    returns

    a immutable sequence consisting only of the first n elements of this immutable sequence, or else the whole immutable sequence, if it has less than n elements. If n is negative, returns an empty immutable sequence.

    Implicit
    This member is added by an implicit conversion from Array[T] toIndexedSeq[T] performed by method copyArrayToImmutableIndexedSeq in scala.LowPriorityImplicits2.
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    (array: IndexedSeq[T]).take(n)
    Definition Classes
    IndexedSeqOpsIterableOpsIterableOnceOps
  95. def takeRight(n: Int): Array[T]

    An array containing the last n elements of this array.

    An array containing the last n elements of this array.

    Implicit
    This member is added by an implicit conversion from Array[T] toArrayOps[T] performed by method genericArrayOps in scala.Predef.
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    (array: ArrayOps[T]).takeRight(n)
    Definition Classes
    ArrayOps
  96. def takeRight(n: Int): collection.immutable.IndexedSeq[T]

    Selects the last n elements.

    Selects the last n elements.

    n

    the number of elements to take from this immutable sequence.

    returns

    a immutable sequence consisting only of the last n elements of this immutable sequence, or else the whole immutable sequence, if it has less than n elements. If n is negative, returns an empty immutable sequence.

    Implicit
    This member is added by an implicit conversion from Array[T] toIndexedSeq[T] performed by method copyArrayToImmutableIndexedSeq in scala.LowPriorityImplicits2.
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    (array: IndexedSeq[T]).takeRight(n)
    Definition Classes
    IndexedSeqOpsIterableOps
  97. def takeWhile(p: (T) => Boolean): Array[T]

    Takes longest prefix of elements that satisfy a predicate.

    Takes longest prefix of elements that satisfy a predicate.

    p

    The predicate used to test elements.

    returns

    the longest prefix of this array whose elements all satisfy the predicate p.

    Implicit
    This member is added by an implicit conversion from Array[T] toArrayOps[T] performed by method genericArrayOps in scala.Predef.
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    (array: ArrayOps[T]).takeWhile(p)
    Definition Classes
    ArrayOps
  98. def takeWhile(p: (T) => Boolean): collection.immutable.IndexedSeq[T]

    Takes longest prefix of elements that satisfy a predicate.

    Takes longest prefix of elements that satisfy a predicate.

    p

    The predicate used to test elements.

    returns

    the longest prefix of this immutable sequence whose elements all satisfy the predicate p.

    Implicit
    This member is added by an implicit conversion from Array[T] toIndexedSeq[T] performed by method copyArrayToImmutableIndexedSeq in scala.LowPriorityImplicits2.
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    Definition Classes
    IterableOpsIterableOnceOps
  99. def toIndexedSeq: collection.immutable.IndexedSeq[T]
    Implicit
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    (array: ArrayOps[T]).toIndexedSeq
    Definition Classes
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  100. final def toIndexedSeq: collection.immutable.IndexedSeq[T]
    Implicit
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    Definition Classes
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  101. final def toSeq: collection.immutable.Seq[T]
    Implicit
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    Definition Classes
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    Annotations
    @inline()
  102. final def toSeq: collection.immutable.IndexedSeq[T]

    returns

    This collection as a Seq[A]. This is equivalent to to(Seq) but might be faster.

    Implicit
    This member is added by an implicit conversion from Array[T] toIndexedSeq[T] performed by method copyArrayToImmutableIndexedSeq in scala.LowPriorityImplicits2.
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    Definition Classes
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  103. def toString(): String

    Creates a String representation of this object.

    Creates a String representation of this object. The default representation is platform dependent. On the java platform it is the concatenation of the class name, "@", and the object's hashcode in hexadecimal.

    returns

    a String representation of the object.

    Implicit
    This member is added by an implicit conversion from Array[T] toIndexedSeq[T] performed by method copyArrayToImmutableIndexedSeq in scala.LowPriorityImplicits2.
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    (array: IndexedSeq[T]).toString()
    Definition Classes
    SeqFunction1Iterable → AnyRef → Any
  104. def view: IndexedSeqView[T]
    Implicit
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    Definition Classes
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    Annotations
    @inline()
  105. def view: IndexedSeqView[T]

    A view over the elements of this collection.

    A view over the elements of this collection.

    Implicit
    This member is added by an implicit conversion from Array[T] toIndexedSeq[T] performed by method copyArrayToImmutableIndexedSeq in scala.LowPriorityImplicits2.
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    Definition Classes
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  106. def withFilter(p: (T) => Boolean): WithFilter[T]

    Creates a non-strict filter of this array.

    Creates a non-strict filter of this array.

    Note: the difference between c filter p and c withFilter p is that the former creates a new array, whereas the latter only restricts the domain of subsequent map, flatMap, foreach, and withFilter operations.

    p

    the predicate used to test elements.

    returns

    an object of class ArrayOps.WithFilter, which supports map, flatMap, foreach, and withFilter operations. All these operations apply to those elements of this array which satisfy the predicate p.

    Implicit
    This member is added by an implicit conversion from Array[T] toArrayOps[T] performed by method genericArrayOps in scala.Predef.
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    Definition Classes
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  107. def withFilter(p: (T) => Boolean): WithFilter[T, [_]collection.immutable.IndexedSeq[_]]

    Creates a non-strict filter of this immutable sequence.

    Creates a non-strict filter of this immutable sequence.

    Note: the difference between c filter p and c withFilter p is that the former creates a new collection, whereas the latter only restricts the domain of subsequent map, flatMap, foreach, and withFilter operations.

    p

    the predicate used to test elements.

    returns

    an object of class WithFilter, which supports map, flatMap, foreach, and withFilter operations. All these operations apply to those elements of this immutable sequence which satisfy the predicate p.

    Implicit
    This member is added by an implicit conversion from Array[T] toIndexedSeq[T] performed by method copyArrayToImmutableIndexedSeq in scala.LowPriorityImplicits2.
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    Definition Classes
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  108. def zipWithIndex: Array[(T, Int)]

    Zips this array with its indices.

    Zips this array with its indices.

    returns

    A new array containing pairs consisting of all elements of this array paired with their index. Indices start at 0.

    Implicit
    This member is added by an implicit conversion from Array[T] toArrayOps[T] performed by method genericArrayOps in scala.Predef.
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    Definition Classes
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  109. def zipWithIndex: collection.immutable.IndexedSeq[(T, Int)]

    Zips this immutable sequence with its indices.

    Zips this immutable sequence with its indices.

    returns

    A new immutable sequence containing pairs consisting of all elements of this immutable sequence paired with their index. Indices start at 0.

    Implicit
    This member is added by an implicit conversion from Array[T] toIndexedSeq[T] performed by method copyArrayToImmutableIndexedSeq in scala.LowPriorityImplicits2.
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    Definition Classes
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    Example:
    1. List("a", "b", "c").zipWithIndex == List(("a", 0), ("b", 1), ("c", 2))

Deprecated Value Members

  1. final def /:[B](z: B)(op: (B, T) => B): B
    Implicit
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    Definition Classes
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    Annotations
    @deprecated @inline()
    Deprecated

    (Since version 2.13.0) Use foldLeft instead of /:

  2. final def :\[B](z: B)(op: (T, B) => B): B
    Implicit
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    Annotations
    @deprecated @inline()
    Deprecated

    (Since version 2.13.0) Use foldRight instead of :\

  3. def aggregate[B](z: => B)(seqop: (B, T) => B, combop: (B, B) => B): B
    Implicit
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    Definition Classes
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    Annotations
    @deprecated
    Deprecated

    (Since version 2.13.0) aggregate is not relevant for sequential collections. Use foldLeft(z)(seqop) instead.

  4. def companion: IterableFactory[[_]collection.immutable.IndexedSeq[_]]
    Implicit
    This member is added by an implicit conversion from Array[T] toIndexedSeq[T] performed by method copyArrayToImmutableIndexedSeq in scala.LowPriorityImplicits2.
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    Annotations
    @deprecated @deprecatedOverriding() @inline()
    Deprecated

    (Since version 2.13.0) Use iterableFactory instead

  5. final def copyToBuffer[B >: A](dest: Buffer[B]): Unit
    Implicit
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    Annotations
    @deprecated @inline()
    Deprecated

    (Since version 2.13.0) Use dest ++= coll instead

  6. def formatted(fmtstr: String): String

    Returns string formatted according to given format string.

    Returns string formatted according to given format string. Format strings are as for String.format (@see java.lang.String.format).

    Implicit
    This member is added by an implicit conversion from Array[T] toStringFormat[Array[T]] performed by method StringFormat in scala.Predef.
    Definition Classes
    StringFormat
    Annotations
    @deprecated @inline()
    Deprecated

    (Since version 2.12.16) Use formatString.format(value) instead of value.formatted(formatString), or use the f"" string interpolator. In Java 15 and later, formatted resolves to the new method in String which has reversed parameters.

  7. def hasDefiniteSize: Boolean

    Tests whether this immutable sequence is known to have a finite size.

    Tests whether this immutable sequence is known to have a finite size. All strict collections are known to have finite size. For a non-strict collection such as Stream, the predicate returns true if all elements have been computed. It returns false if the stream is not yet evaluated to the end. Non-empty Iterators usually return false even if they were created from a collection with a known finite size.

    Note: many collection methods will not work on collections of infinite sizes. The typical failure mode is an infinite loop. These methods always attempt a traversal without checking first that hasDefiniteSize returns true. However, checking hasDefiniteSize can provide an assurance that size is well-defined and non-termination is not a concern.

    returns

    true if this collection is known to have finite size, false otherwise.

    Implicit
    This member is added by an implicit conversion from Array[T] toIndexedSeq[T] performed by method copyArrayToImmutableIndexedSeq in scala.LowPriorityImplicits2.
    Definition Classes
    IterableOnceOps
    Annotations
    @deprecated
    Deprecated

    (Since version 2.13.0) Check .knownSize instead of .hasDefiniteSize for more actionable information (see scaladoc for details)

    See also

    method knownSize for a more useful alternative

  8. final def prefixLength(p: (T) => Boolean): Int

    Returns the length of the longest prefix whose elements all satisfy some predicate.

    Returns the length of the longest prefix whose elements all satisfy some predicate.

    Note: may not terminate for infinite-sized collections.

    p

    the predicate used to test elements.

    returns

    the length of the longest prefix of this immutable sequence such that every element of the segment satisfies the predicate p.

    Implicit
    This member is added by an implicit conversion from Array[T] toIndexedSeq[T] performed by method copyArrayToImmutableIndexedSeq in scala.LowPriorityImplicits2.
    Definition Classes
    SeqOps
    Annotations
    @deprecated @inline()
    Deprecated

    (Since version 2.13.0) Use segmentLength instead of prefixLength

  9. final def repr: collection.immutable.IndexedSeq[T]
    Implicit
    This member is added by an implicit conversion from Array[T] toIndexedSeq[T] performed by method copyArrayToImmutableIndexedSeq in scala.LowPriorityImplicits2.
    Definition Classes
    IterableOps
    Annotations
    @deprecated
    Deprecated

    (Since version 2.13.0) Use coll instead of repr in a collection implementation, use the collection value itself from the outside

  10. def reverseMap[B](f: (T) => B): collection.immutable.IndexedSeq[B]
    Implicit
    This member is added by an implicit conversion from Array[T] toIndexedSeq[T] performed by method copyArrayToImmutableIndexedSeq in scala.LowPriorityImplicits2.
    Definition Classes
    SeqOps
    Annotations
    @deprecated
    Deprecated

    (Since version 2.13.0) Use .reverseIterator.map(f).to(...) instead of .reverseMap(f)

  11. def seq: collection.immutable.IndexedSeq[T]
    Implicit
    This member is added by an implicit conversion from Array[T] toIndexedSeq[T] performed by method copyArrayToImmutableIndexedSeq in scala.LowPriorityImplicits2.
    Definition Classes
    Iterable
    Annotations
    @deprecated
    Deprecated

    (Since version 2.13.0) Iterable.seq always returns the iterable itself

  12. final def toIterable: collection.immutable.IndexedSeq[T]

    returns

    This collection as an Iterable[A]. No new collection will be built if this is already an Iterable[A].

    Implicit
    This member is added by an implicit conversion from Array[T] toIndexedSeq[T] performed by method copyArrayToImmutableIndexedSeq in scala.LowPriorityImplicits2.
    Definition Classes
    IterableIterableOps
    Annotations
    @deprecated
    Deprecated

    (Since version 2.13.7) toIterable is internal and will be made protected; its name is similar to toList or toSeq, but it doesn't copy non-immutable collections

  13. final def toIterator: collection.Iterator[T]
    Implicit
    This member is added by an implicit conversion from Array[T] toIndexedSeq[T] performed by method copyArrayToImmutableIndexedSeq in scala.LowPriorityImplicits2.
    Definition Classes
    IterableOnceOps
    Annotations
    @deprecated @inline()
    Deprecated

    (Since version 2.13.0) Use .iterator instead of .toIterator

  14. final def toStream: collection.immutable.Stream[T]
    Implicit
    This member is added by an implicit conversion from Array[T] toIndexedSeq[T] performed by method copyArrayToImmutableIndexedSeq in scala.LowPriorityImplicits2.
    Definition Classes
    IterableOnceOps
    Annotations
    @deprecated @inline()
    Deprecated

    (Since version 2.13.0) Use .to(LazyList) instead of .toStream

  15. final def toTraversable: collection.Traversable[T]

    Converts this immutable sequence to an unspecified Iterable.

    Converts this immutable sequence to an unspecified Iterable. Will return the same collection if this instance is already Iterable.

    returns

    An Iterable containing all elements of this immutable sequence.

    Implicit
    This member is added by an implicit conversion from Array[T] toIndexedSeq[T] performed by method copyArrayToImmutableIndexedSeq in scala.LowPriorityImplicits2.
    Definition Classes
    IterableOps
    Annotations
    @deprecated
    Deprecated

    (Since version 2.13.0) toTraversable is internal and will be made protected; its name is similar to toList or toSeq, but it doesn't copy non-immutable collections

  16. final def union[B >: A](that: collection.Seq[B]): collection.immutable.IndexedSeq[B]

    Produces a new sequence which contains all elements of this immutable sequence and also all elements of a given sequence.

    Produces a new sequence which contains all elements of this immutable sequence and also all elements of a given sequence. xs union ys is equivalent to xs ++ ys.

    B

    the element type of the returned immutable sequence.

    that

    the sequence to add.

    returns

    a new collection which contains all elements of this immutable sequence followed by all elements of that.

    Implicit
    This member is added by an implicit conversion from Array[T] toIndexedSeq[T] performed by method copyArrayToImmutableIndexedSeq in scala.LowPriorityImplicits2.
    Definition Classes
    SeqOps
    Annotations
    @deprecated @inline()
    Deprecated

    (Since version 2.13.0) Use concat instead

  17. def view(from: Int, until: Int): IndexedSeqView[T]

    A view over a slice of the elements of this collection.

    A view over a slice of the elements of this collection.

    Implicit
    This member is added by an implicit conversion from Array[T] toIndexedSeq[T] performed by method copyArrayToImmutableIndexedSeq in scala.LowPriorityImplicits2.
    Definition Classes
    IndexedSeqOpsIterableOps
    Annotations
    @deprecated
    Deprecated

    (Since version 2.13.0) Use .view.slice(from, until) instead of .view(from, until)

  18. def [B](y: B): (Array[T], B)
    Implicit
    This member is added by an implicit conversion from Array[T] toArrowAssoc[Array[T]] performed by method ArrowAssoc in scala.Predef.
    Definition Classes
    ArrowAssoc
    Annotations
    @deprecated
    Deprecated

    (Since version 2.13.0) Use -> instead. If you still wish to display it as one character, consider using a font with programming ligatures such as Fira Code.

Inherited from java.lang.Cloneable

Inherited from java.io.Serializable

Inherited from AnyRef

Inherited from Any

Inherited by implicit conversion genericArrayOps fromArray[T] to ArrayOps[T]

Inherited by implicit conversion copyArrayToImmutableIndexedSeq fromArray[T] to IndexedSeq[T]

Inherited by implicit conversion any2stringadd fromArray[T] to any2stringadd[Array[T]]

Inherited by implicit conversion StringFormat fromArray[T] to StringFormat[Array[T]]

Inherited by implicit conversion Ensuring fromArray[T] to Ensuring[Array[T]]

Inherited by implicit conversion ArrowAssoc fromArray[T] to ArrowAssoc[Array[T]]

Ungrouped