Packages

object Seq extends Delegate[Seq]

This object provides a set of operations to create Seq values.

Annotations
@SerialVersionUID()
Source
Seq.scala
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Inherited
  1. Seq
  2. Delegate
  3. SeqFactory
  4. IterableFactory
  5. Serializable
  6. AnyRef
  7. Any
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Visibility
  1. Public
  2. Protected

Value Members

  1. def apply[A](elems: A*): Seq[A]

    Creates a sequence with the specified elements.

    Creates a sequence with the specified elements.

    A

    the type of the sequence's elements

    elems

    the elements of the created sequence

    returns

    a new sequence with elements elems

    Definition Classes
    DelegateIterableFactory
  2. def concat[A](xss: Iterable[A]*): Seq[A]

    Concatenates all argument collections into a single sequence.

    Concatenates all argument collections into a single sequence.

    xss

    the collections that are to be concatenated.

    returns

    the concatenation of all the collections.

    Definition Classes
    IterableFactory
  3. def empty[A]: Seq[A]

    An empty collection

    An empty collection

    A

    the type of the sequence's elements

    Definition Classes
    DelegateIterableFactory
  4. def fill[A](n1: Int, n2: Int, n3: Int, n4: Int, n5: Int)(elem: => A): Seq[Seq[Seq[Seq[Seq[A]]]]]

    Produces a five-dimensional sequence containing the results of some element computation a number of times.

    Produces a five-dimensional sequence containing the results of some element computation a number of times.

    n1

    the number of elements in the 1st dimension

    n2

    the number of elements in the 2nd dimension

    n3

    the number of elements in the 3rd dimension

    n4

    the number of elements in the 4th dimension

    n5

    the number of elements in the 5th dimension

    elem

    the element computation

    returns

    A sequence that contains the results of n1 x n2 x n3 x n4 x n5 evaluations of elem.

    Definition Classes
    IterableFactory
  5. def fill[A](n1: Int, n2: Int, n3: Int, n4: Int)(elem: => A): Seq[Seq[Seq[Seq[A]]]]

    Produces a four-dimensional sequence containing the results of some element computation a number of times.

    Produces a four-dimensional sequence containing the results of some element computation a number of times.

    n1

    the number of elements in the 1st dimension

    n2

    the number of elements in the 2nd dimension

    n3

    the number of elements in the 3rd dimension

    n4

    the number of elements in the 4th dimension

    elem

    the element computation

    returns

    A sequence that contains the results of n1 x n2 x n3 x n4 evaluations of elem.

    Definition Classes
    IterableFactory
  6. def fill[A](n1: Int, n2: Int, n3: Int)(elem: => A): Seq[Seq[Seq[A]]]

    Produces a three-dimensional sequence containing the results of some element computation a number of times.

    Produces a three-dimensional sequence containing the results of some element computation a number of times.

    n1

    the number of elements in the 1st dimension

    n2

    the number of elements in the 2nd dimension

    n3

    the number of elements in the 3rd dimension

    elem

    the element computation

    returns

    A sequence that contains the results of n1 x n2 x n3 evaluations of elem.

    Definition Classes
    IterableFactory
  7. def fill[A](n1: Int, n2: Int)(elem: => A): Seq[Seq[A]]

    Produces a two-dimensional sequence containing the results of some element computation a number of times.

    Produces a two-dimensional sequence containing the results of some element computation a number of times.

    n1

    the number of elements in the 1st dimension

    n2

    the number of elements in the 2nd dimension

    elem

    the element computation

    returns

    A sequence that contains the results of n1 x n2 evaluations of elem.

    Definition Classes
    IterableFactory
  8. def fill[A](n: Int)(elem: => A): Seq[A]

    Produces a sequence containing the results of some element computation a number of times.

    Produces a sequence containing the results of some element computation a number of times.

    n

    the number of elements contained in the sequence.

    elem

    the element computation

    returns

    A sequence that contains the results of n evaluations of elem.

    Definition Classes
    IterableFactory
  9. def from[E](it: IterableOnce[E]): Seq[E]

    Creates a target sequence from an existing source collection

    Creates a target sequence from an existing source collection

    returns

    a new sequence with the elements of source

    Definition Classes
    DelegateIterableFactory
  10. implicit def iterableFactory[A]: Factory[A, Seq[A]]
    Definition Classes
    IterableFactory
  11. def iterate[A](start: A, len: Int)(f: (A) => A): Seq[A]

    Produces a sequence containing repeated applications of a function to a start value.

    Produces a sequence containing repeated applications of a function to a start value.

    start

    the start value of the sequence

    len

    the number of elements contained in the sequence

    f

    the function that's repeatedly applied

    returns

    a sequence with len values in the sequence start, f(start), f(f(start)), ...

    Definition Classes
    IterableFactory
  12. def newBuilder[A]: Builder[A, Seq[A]]

    A

    the type of the sequence’s elements

    returns

    A builder for Seq objects.

    Definition Classes
    DelegateIterableFactory
  13. def range[A](start: A, end: A, step: A)(implicit arg0: Integral[A]): Seq[A]

    Produces a sequence containing equally spaced values in some integer interval.

    Produces a sequence containing equally spaced values in some integer interval.

    start

    the start value of the sequence

    end

    the end value of the sequence (the first value NOT contained)

    step

    the difference between successive elements of the sequence (must be positive or negative)

    returns

    a sequence with values start, start + step, ... up to, but excluding end

    Definition Classes
    IterableFactory
  14. def range[A](start: A, end: A)(implicit arg0: Integral[A]): Seq[A]

    Produces a sequence containing a sequence of increasing of integers.

    Produces a sequence containing a sequence of increasing of integers.

    start

    the first element of the sequence

    end

    the end value of the sequence (the first value NOT contained)

    returns

    a sequence with values start, start + 1, ..., end - 1

    Definition Classes
    IterableFactory
  15. def tabulate[A](n1: Int, n2: Int, n3: Int, n4: Int, n5: Int)(f: (Int, Int, Int, Int, Int) => A): Seq[Seq[Seq[Seq[Seq[A]]]]]

    Produces a five-dimensional sequence containing values of a given function over ranges of integer values starting from 0.

    Produces a five-dimensional sequence containing values of a given function over ranges of integer values starting from 0.

    n1

    the number of elements in the 1st dimension

    n2

    the number of elements in the 2nd dimension

    n3

    the number of elements in the 3rd dimension

    n4

    the number of elements in the 4th dimension

    n5

    the number of elements in the 5th dimension

    f

    The function computing element values

    returns

    A sequence consisting of elements f(i1, i2, i3, i4, i5) for 0 <= i1 < n1, 0 <= i2 < n2, 0 <= i3 < n3, 0 <= i4 < n4, and 0 <= i5 < n5.

    Definition Classes
    IterableFactory
  16. def tabulate[A](n1: Int, n2: Int, n3: Int, n4: Int)(f: (Int, Int, Int, Int) => A): Seq[Seq[Seq[Seq[A]]]]

    Produces a four-dimensional sequence containing values of a given function over ranges of integer values starting from 0.

    Produces a four-dimensional sequence containing values of a given function over ranges of integer values starting from 0.

    n1

    the number of elements in the 1st dimension

    n2

    the number of elements in the 2nd dimension

    n3

    the number of elements in the 3rd dimension

    n4

    the number of elements in the 4th dimension

    f

    The function computing element values

    returns

    A sequence consisting of elements f(i1, i2, i3, i4) for 0 <= i1 < n1, 0 <= i2 < n2, 0 <= i3 < n3, and 0 <= i4 < n4.

    Definition Classes
    IterableFactory
  17. def tabulate[A](n1: Int, n2: Int, n3: Int)(f: (Int, Int, Int) => A): Seq[Seq[Seq[A]]]

    Produces a three-dimensional sequence containing values of a given function over ranges of integer values starting from 0.

    Produces a three-dimensional sequence containing values of a given function over ranges of integer values starting from 0.

    n1

    the number of elements in the 1st dimension

    n2

    the number of elements in the 2nd dimension

    n3

    the number of elements in the 3rd dimension

    f

    The function computing element values

    returns

    A sequence consisting of elements f(i1, i2, i3) for 0 <= i1 < n1, 0 <= i2 < n2, and 0 <= i3 < n3.

    Definition Classes
    IterableFactory
  18. def tabulate[A](n1: Int, n2: Int)(f: (Int, Int) => A): Seq[Seq[A]]

    Produces a two-dimensional sequence containing values of a given function over ranges of integer values starting from 0.

    Produces a two-dimensional sequence containing values of a given function over ranges of integer values starting from 0.

    n1

    the number of elements in the 1st dimension

    n2

    the number of elements in the 2nd dimension

    f

    The function computing element values

    returns

    A sequence consisting of elements f(i1, i2) for 0 <= i1 < n1 and 0 <= i2 < n2.

    Definition Classes
    IterableFactory
  19. def tabulate[A](n: Int)(f: (Int) => A): Seq[A]

    Produces a sequence containing values of a given function over a range of integer values starting from 0.

    Produces a sequence containing values of a given function over a range of integer values starting from 0.

    n

    The number of elements in the sequence

    f

    The function computing element values

    returns

    A sequence consisting of elements f(0), ..., f(n -1)

    Definition Classes
    IterableFactory
  20. final def unapplySeq[A](x: Seq[A]): UnapplySeqWrapper[A]
    Definition Classes
    SeqFactory
  21. def unfold[A, S](init: S)(f: (S) => Option[(A, S)]): Seq[A]

    Produces a sequence that uses a function f to produce elements of type A and update an internal state of type S.

    Produces a sequence that uses a function f to produce elements of type A and update an internal state of type S.

    A

    Type of the elements

    S

    Type of the internal state

    init

    State initial value

    f

    Computes the next element (or returns None to signal the end of the collection)

    returns

    a sequence that produces elements using f until f returns None

    Definition Classes
    IterableFactory