TreeSet

Companion object TreeSet

final class TreeSet[A] extends AbstractSet[A] with SortedSet[A] with SortedSetOps[A, TreeSet, TreeSet[A]] with StrictOptimizedSortedSetOps[A, TreeSet, TreeSet[A]] with SortedSetFactoryDefaults[A, TreeSet, Set] with DefaultSerializable

This class implements immutable sorted sets using a tree.

A: the type of the elements contained in this tree set

Source: TreeSet.scala
See also: "Scala's Collection Library overview" section on Red-Black Trees for more information.

Linear Supertypes

DefaultSerializable, java.io.Serializable, StrictOptimizedSortedSetOps[A, TreeSet, TreeSet[A]], StrictOptimizedSetOps[A, Set, TreeSet[A]], collection.StrictOptimizedSortedSetOps[A, TreeSet, TreeSet[A]], collection.StrictOptimizedSetOps[A, [_]Set[_], TreeSet[A]], StrictOptimizedIterableOps[A, [_]Set[_], TreeSet[A]], SortedSet[A], SortedSetOps[A, [X]TreeSet[X], TreeSet[A]], collection.SortedSet[A], SortedSetFactoryDefaults[A, [X]TreeSet[X], [x]Set[x]], collection.SortedSetOps[A, [X]TreeSet[X], TreeSet[A]], SortedOps[A, TreeSet[A]], AbstractSet[A], Set[A], SetOps[A, Set, TreeSet[A]], Iterable[A], collection.AbstractSet[A], collection.Set[A], Equals, collection.SetOps[A, [_]Set[_], TreeSet[A]], (A) => Boolean, AbstractIterable[A], collection.Iterable[A], IterableFactoryDefaults[A, [x]Set[x]], IterableOps[A, [_]Set[_], TreeSet[A]], IterableOnceOps[A, [_]Set[_], TreeSet[A]], IterableOnce[A], AnyRef, Any

Type Hierarchy

Ordering

Alphabetic
By Inheritance

Inherited

TreeSet
DefaultSerializable
Serializable
StrictOptimizedSortedSetOps
StrictOptimizedSetOps
StrictOptimizedSortedSetOps
StrictOptimizedSetOps
StrictOptimizedIterableOps
SortedSet
SortedSetOps
SortedSet
SortedSetFactoryDefaults
SortedSetOps
SortedOps
AbstractSet
Set
SetOps
Iterable
AbstractSet
Set
Equals
SetOps
Function1
AbstractIterable
Iterable
IterableFactoryDefaults
IterableOps
IterableOnceOps
IterableOnce
AnyRef
Any

Implicitly

by iterableOnceExtensionMethods
by any2stringadd
by StringFormat
by Ensuring
by ArrowAssoc

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Visibility

Public
Protected

Instance Constructors

new TreeSet()(implicit ordering: Ordering[A])

Value Members

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
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
final def &(that: collection.Set[A]): TreeSet[A]
Alias for intersect
Alias for intersect
Definition Classes
SetOps
Annotations
@inline()
final def &~(that: collection.Set[A]): TreeSet[A]
Alias for diff
Alias for diff
Definition Classes
SetOps
Annotations
@inline()
final def +(elem: A): TreeSet[A]
Alias for incl
Alias for incl
Definition Classes
SetOps → SetOps
final def ++(that: IterableOnce[A]): TreeSet[A]
Alias for concat
Alias for concat
Definition Classes
SetOps
Annotations
@inline()
final def ++[B >: A](suffix: IterableOnce[B]): Set[B]
Alias for concat
Alias for concat
Definition Classes
IterableOps
Annotations
@inline()
final def -(elem: A): TreeSet[A]
Alias for excl
Alias for excl
Definition Classes
SetOps → SetOps
Annotations
@inline()
final def --(that: IterableOnce[A]): TreeSet[A]
Alias for removedAll
Alias for removedAll
Definition Classes
SetOps → SetOps
def ->[B](y: B): (TreeSet[A], B)
Implicit
This member is added by an implicit conversion from TreeSet[A] toArrowAssoc[TreeSet[A]] performed by method ArrowAssoc in scala.Predef.
Definition Classes
ArrowAssoc
Annotations
@inline()
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
final def addString(b: mutable.StringBuilder): b.type
Appends all elements of this immutable tree set to a string builder.
Appends all elements of this immutable tree set to a string builder. The written text consists of the string representations (w.r.t. the method toString) of all elements of this immutable tree set 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.
Definition Classes
IterableOnceOps
Annotations
@inline()
final def addString(b: mutable.StringBuilder, sep: String): b.type
Appends all elements of this immutable tree set to a string builder using a separator string.
Appends all elements of this immutable tree set 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 tree set, 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.
Definition Classes
IterableOnceOps
Annotations
@inline()
def addString(b: mutable.StringBuilder, start: String, sep: String, end: String): b.type
Appends all elements of this immutable tree set to a string builder using start, end, and separator strings.
Appends all elements of this immutable tree set 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 tree set 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.
Definition Classes
IterableOnceOps
def andThen[A](g: (Boolean) => A): (A) => A
Composes two instances of Function1 in a new Function1, with this function applied first.
Composes two instances of Function1 in a new Function1, with this function applied first.
A
the result type of function g
g
a function R => A
returns
a new function f such that f(x) == g(apply(x))
Definition Classes
Function1
Annotations
@unspecialized()
final def apply(elem: A): Boolean
Tests if some element is contained in this set.
Tests if some element is contained in this set.
This method is equivalent to contains. It allows sets to be interpreted as predicates.
elem
the element to test for membership.
returns
true if elem is contained in this set, false otherwise.
Definition Classes
SetOps → Function1
Annotations
@inline()
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.
def canEqual(that: Any): Boolean
Checks whether this instance can possibly equal that.
Checks whether this instance can possibly equal that.
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
Definition Classes
Set → Equals
def className: String
Defines the prefix of this object's toString representation.
Defines the prefix of this object's toString representation.
It is recommended to return the name of the concrete collection type, but not implementation subclasses. For example, for ListMap this method should return "ListMap", not "Map" (the supertype) or "Node" (an implementation subclass).
The default implementation returns "Iterable". It is overridden for the basic collection kinds "Seq", "IndexedSeq", "LinearSeq", "Buffer", "Set", "Map", "SortedSet", "SortedMap" and "View".
returns
a string representation which starts the result of toString applied to this immutable tree set. By default the string prefix is the simple name of the collection class immutable tree set.
Attributes
protected[this]
Definition Classes
TreeSet → Iterable
def clone(): AnyRef
Create a copy of the receiver object.
Create a copy of the receiver object.
The default implementation of the clone method is platform dependent.
returns
a copy of the receiver object.
Attributes
protected[lang]
Definition Classes
AnyRef
Annotations
@throws(classOf[java.lang.CloneNotSupportedException]) @native()
Note
not specified by SLS as a member of AnyRef
final def coll: TreeSet.this.type
returns
This collection as a C.
Attributes
protected
Definition Classes
Iterable → IterableOps
def collect[B](pf: PartialFunction[A, B])(implicit ev: Ordering[B]): TreeSet[B]
Builds a new sorted collection by applying a partial function to all elements of this immutable tree set on which the function is defined.
Builds a new sorted collection by applying a partial function to all elements of this immutable tree set on which the function is defined.
B
the element type of the returned collection.
pf
the partial function which filters and maps the immutable tree set.
returns
a new immutable tree set 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.
Definition Classes
StrictOptimizedSortedSetOps → SortedSetOps
def collect[B](pf: PartialFunction[A, B]): Set[B]
Builds a new immutable tree set by applying a partial function to all elements of this immutable tree set on which the function is defined.
Builds a new immutable tree set by applying a partial function to all elements of this immutable tree set on which the function is defined.
B
the element type of the returned immutable tree set.
pf
the partial function which filters and maps the immutable tree set.
returns
a new immutable tree set 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.
Definition Classes
StrictOptimizedIterableOps → IterableOps → IterableOnceOps
def collectFirst[B](pf: PartialFunction[A, B]): Option[B]
Finds the first element of the immutable tree set for which the given partial function is defined, and applies the partial function to it.
Finds the first element of the immutable tree set for which the given partial function is defined, and applies the partial function to it.
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.
Definition Classes
IterableOnceOps
Example:
1. Seq("a", 1, 5L).collectFirst({ case x: Int => x*10 }) = Some(10)
def compose[A](g: (A) => A): (A) => Boolean
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))
Definition Classes
Function1
Annotations
@unspecialized()
def concat(that: IterableOnce[A]): TreeSet[A]
Creates a new immutable tree set by adding all elements contained in another collection to this immutable tree set, omitting duplicates.
Creates a new immutable tree set by adding all elements contained in another collection to this immutable tree set, omitting duplicates.
This method takes a collection of elements and adds all elements, omitting duplicates, into immutable tree set.
Example:
```
scala> val a = Set(1, 2) concat Set(2, 3)
a: scala.collection.immutable.Set[Int] = Set(1, 2, 3)
```
that
the collection containing the elements to add.
returns
a new immutable tree set with the given elements added, omitting duplicates.
Definition Classes
TreeSet → StrictOptimizedSetOps → StrictOptimizedSetOps → SetOps
def concat[B >: A](suffix: IterableOnce[B]): Set[B]
Returns a new immutable tree set containing the elements from the left hand operand followed by the elements from the right hand operand.
Returns a new immutable tree set containing the elements from the left hand operand followed by the elements from the right hand operand. The element type of the immutable tree set 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 immutable tree set which contains all elements of this immutable tree set followed by all elements of suffix.
Definition Classes
IterableOps
def contains(elem: A): Boolean
Checks if this set contains element elem.
Checks if this set contains element elem.
elem
the element to check for membership.
returns
true, iff elem is contained in this set.
Definition Classes
TreeSet → SetOps
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 tree set.
Copying will stop once either all the elements of this immutable tree set 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
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.
def copyToArray[B >: A](xs: Array[B], start: Int): Int
Copies elements to an array, returning the number of elements written.
Copies elements to an array, returning the number of elements written.
Fills the given array xs starting at index start with values of this immutable tree set.
Copying will stop once either all the elements of this immutable tree set 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
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.
def copyToArray[B >: A](xs: Array[B]): Int
Copies elements to an array, returning the number of elements written.
Copies elements to an array, returning the number of elements written.
Fills the given array xs starting at index start with values of this immutable tree set.
Copying will stop once either all the elements of this immutable tree set 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
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.
def corresponds[B](that: IterableOnce[B])(p: (A, 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.
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
Definition Classes
IterableOnceOps
def count(p: (A) => Boolean): Int
Counts the number of elements in the immutable tree set which satisfy a predicate.
Counts the number of elements in the immutable tree set which satisfy a predicate.
p
the predicate used to test elements.
returns
the number of elements satisfying the predicate p.
Definition Classes
IterableOnceOps
def diff(that: collection.Set[A]): TreeSet[A]
Computes the difference of this set and another set.
Computes the difference of this set and another set.
that
the set of elements to exclude.
returns
a set containing those elements of this set that are not also contained in the given set that.
Definition Classes
TreeSet → SetOps → SetOps
def drop(n: Int): TreeSet[A]
Selects all elements except the first n ones.
Selects all elements except the first n ones.
n
the number of elements to drop from this immutable tree set.
returns
a immutable tree set consisting of all elements of this immutable tree set except the first n ones, or else the empty immutable tree set, if this immutable tree set has less than n elements. If n is negative, don't drop any elements.
Definition Classes
TreeSet → IterableOps → IterableOnceOps
def dropRight(n: Int): TreeSet[A]
The rest of the collection without its n last elements.
The rest of the collection without its n last elements. For linear, immutable collections this should avoid making a copy.
Note: Even when applied to a view or a lazy collection it will always force the elements.
n
the number of elements to drop from this immutable tree set.
returns
a immutable tree set consisting of all elements of this immutable tree set except the last n ones, or else the empty immutable tree set, if this immutable tree set has less than n elements. If n is negative, don't drop any elements.
Definition Classes
TreeSet → StrictOptimizedIterableOps → IterableOps
def dropWhile(p: (A) => Boolean): TreeSet[A]
Selects all elements except the longest prefix that satisfies a predicate.
Selects all elements except the longest prefix that satisfies a predicate.
The matching prefix starts with the first element of this immutable tree set, and the element following the prefix is the first element that does not satisfy the predicate. The matching prefix may be empty, so that this method returns the entire immutable tree set.
Example:
```
scala> List(1, 2, 3, 100, 4).dropWhile(n => n < 10)
val res0: List[Int] = List(100, 4)

scala> List(1, 2, 3, 100, 4).dropWhile(n => n == 0)
val res1: List[Int] = List(1, 2, 3, 100, 4)
```
Use span to obtain both the prefix and suffix. Use filterNot to drop all elements that satisfy the predicate.
p
The predicate used to test elements.
returns
the longest suffix of this immutable tree set whose first element does not satisfy the predicate p.
Definition Classes
TreeSet → IterableOps → IterableOnceOps
def empty: TreeSet[A]
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.
Definition Classes
SortedSetFactoryDefaults → IterableOps
def ensuring(cond: (TreeSet[A]) => Boolean, msg: => Any): TreeSet[A]
Implicit
This member is added by an implicit conversion from TreeSet[A] toEnsuring[TreeSet[A]] performed by method Ensuring in scala.Predef.
Definition Classes
Ensuring
def ensuring(cond: (TreeSet[A]) => Boolean): TreeSet[A]
Implicit
This member is added by an implicit conversion from TreeSet[A] toEnsuring[TreeSet[A]] performed by method Ensuring in scala.Predef.
Definition Classes
Ensuring
def ensuring(cond: Boolean, msg: => Any): TreeSet[A]
Implicit
This member is added by an implicit conversion from TreeSet[A] toEnsuring[TreeSet[A]] performed by method Ensuring in scala.Predef.
Definition Classes
Ensuring
def ensuring(cond: Boolean): TreeSet[A]
Implicit
This member is added by an implicit conversion from TreeSet[A] toEnsuring[TreeSet[A]] performed by method Ensuring in scala.Predef.
Definition Classes
Ensuring
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
def equals(obj: Any): Boolean
Equality of sets is implemented using the lookup method contains.
Equality of sets is implemented using the lookup method contains. This method returns true if
- the argument that is a Set,
- the two sets have the same size, and
- for every element this set, other.contains(element) == true.
The implementation of equals checks the canEqual method, so subclasses of Set can narrow down the equality to specific set types. The Set implementations in the standard library can all be compared, their canEqual methods return true.
Note: The equals method only respects the equality laws (symmetry, transitivity) if the two sets use the same element equivalence function in their lookup operation. For example, the element equivalence operation in a scala.collection.immutable.TreeSet is defined by its ordering. Comparing a TreeSet with a HashSet leads to unexpected results if ordering.equiv(e1, e2) (used for lookup in TreeSet) is different from e1 == e2 (used for lookup in HashSet).
```
scala> import scala.collection.immutable._
scala> val ord: Ordering[String] = _ compareToIgnoreCase _

scala> TreeSet("A")(ord) == HashSet("a")
val res0: Boolean = false

scala> HashSet("a") == TreeSet("A")(ord)
val res1: Boolean = true
```
returns
true if the two sets are equal according to the description
Definition Classes
TreeSet → SortedSet → Set → Equals → AnyRef → Any
def excl(elem: A): TreeSet[A]
Creates a new TreeSet with the entry removed.
Creates a new TreeSet with the entry removed.
elem
a new element to add.
returns
a new immutable tree set containing all the elements of this immutable tree set except elem.
Definition Classes
TreeSet → SetOps
def exists(p: (A) => Boolean): Boolean
Tests whether a predicate holds for at least one element of this immutable tree set.
Tests whether a predicate holds for at least one element of this immutable tree set.
p
the predicate used to test elements.
returns
true if the given predicate p is satisfied by at least one element of this immutable tree set, otherwise false
Definition Classes
IterableOnceOps
def filter(f: (A) => Boolean): TreeSet[A]
Selects all elements of this immutable tree set which satisfy a predicate.
Selects all elements of this immutable tree set which satisfy a predicate.
returns
a new immutable tree set consisting of all elements of this immutable tree set that satisfy the given predicate p. The order of the elements is preserved.
Definition Classes
TreeSet → StrictOptimizedIterableOps → IterableOps → IterableOnceOps
def filterImpl(pred: (A) => Boolean, isFlipped: Boolean): TreeSet[A]
Attributes
protected[collection]
Definition Classes
StrictOptimizedIterableOps
def filterNot(pred: (A) => Boolean): TreeSet[A]
Selects all elements of this immutable tree set which do not satisfy a predicate.
Selects all elements of this immutable tree set which do not satisfy a predicate.
pred
the predicate used to test elements.
returns
a new immutable tree set consisting of all elements of this immutable tree set that do not satisfy the given predicate pred. Their order may not be preserved.
Definition Classes
StrictOptimizedIterableOps → IterableOps → IterableOnceOps
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
def find(p: (A) => Boolean): Option[A]
Finds the first element of the immutable tree set satisfying a predicate, if any.
Finds the first element of the immutable tree set satisfying a predicate, if any.
p
the predicate used to test elements.
returns
an option value containing the first element in the immutable tree set that satisfies p, or None if none exists.
Definition Classes
IterableOnceOps
def firstKey: A
Returns the first key of the collection.
Returns the first key of the collection.
Definition Classes
SortedSetOps → SortedOps
def flatMap[B](f: (A) => IterableOnce[B])(implicit ev: Ordering[B]): TreeSet[B]
Builds a new sorted collection by applying a function to all elements of this immutable tree set and using the elements of the resulting collections.
Builds a new sorted collection by applying a function to all elements of this immutable tree set and using the elements of the resulting collections.
B
the element type of the returned collection.
f
the function to apply to each element.
returns
a new immutable tree set resulting from applying the given collection-valued function f to each element of this immutable tree set and concatenating the results.
Definition Classes
StrictOptimizedSortedSetOps → SortedSetOps
def flatMap[B](f: (A) => IterableOnce[B]): Set[B]
Builds a new immutable tree set by applying a function to all elements of this immutable tree set and using the elements of the resulting collections.
Builds a new immutable tree set by applying a function to all elements of this immutable tree set 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 tree set. 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 tree set resulting from applying the given collection-valued function f to each element of this immutable tree set and concatenating the results.
Definition Classes
StrictOptimizedIterableOps → IterableOps → IterableOnceOps
def flatten[B](implicit toIterableOnce: (A) => IterableOnce[B]): Set[B]
Converts this immutable tree set of iterable collections into a immutable tree set formed by the elements of these iterable collections.
Converts this immutable tree set of iterable collections into a immutable tree set formed by the elements of these iterable collections.
The resulting collection's type will be guided by the type of immutable tree set. 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 iterable collection.
returns
a new immutable tree set resulting from concatenating all element immutable tree sets.
Definition Classes
StrictOptimizedIterableOps → IterableOps → IterableOnceOps
def fold[A1 >: A](z: A1)(op: (A1, A1) => A1): A1
Applies the given binary operator op to the given initial value z and all elements of this immutable tree set.
Applies the given binary operator op to the given initial value z and all elements of this immutable tree set.
For each application of the operator, each operand is either an element of this immutable tree set, the initial value, or another such application of the operator.
The order of applications of the operator is unspecified and may be nondeterministic. Each element appears exactly once in the computation. The initial value may be used an arbitrary number of times, but at least once.
If this collection is ordered, then for any application of the operator, the element(s) appearing in the left operand will precede those in the right.
Note: might return different results for different runs, unless either of the following conditions is met: (1) the operator is associative, and the underlying collection type is ordered; or (2) the operator is associative and commutative. In either case, it is also necessary that the initial value be a neutral value for the operator, e.g. Nil for List concatenation or 1 for multiplication.
The default implementation in IterableOnce is equivalent to foldLeft but may be overridden for more efficient traversal orders.
A1
The type parameter for the binary operator, a supertype of A.
z
An initial value; may be used an arbitrary number of times in the computation of the result; must be a neutral value for op for the result to always be the same across runs.
op
A binary operator; must be associative for the result to always be the same across runs.
returns
The result of applying op between all the elements and z, or z if this immutable tree set is empty.
Definition Classes
IterableOnceOps
def foldLeft[B](z: B)(op: (B, A) => B): B
Applies the given binary operator op to the given initial value z and all elements of this immutable tree set, going left to right.
Applies the given binary operator op to the given initial value z and all elements of this immutable tree set, going left to right. Returns the initial value if this immutable tree set is empty.
"Going left to right" only makes sense if this collection is ordered: then if x₁, x₂, ..., x_n are the elements of this immutable tree set, the result is op( op( ... op( op(z, x₁), x₂) ... ), x_n).
If this collection is not ordered, then for each application of the operator, each right operand is an element. In addition, the leftmost operand is the initial value, and each other left operand is itself an application of the operator. The elements of this immutable tree set and the initial value all appear exactly once in the computation.
B
The result type of the binary operator.
z
An initial value.
op
A binary operator.
returns
The result of applying op to z and all elements of this immutable tree set, going left to right. Returns z if this immutable tree set is empty.
Definition Classes
IterableOnceOps
def foldRight[B](z: B)(op: (A, B) => B): B
Applies the given binary operator op to all elements of this immutable tree set and the given initial value z, going right to left.
Applies the given binary operator op to all elements of this immutable tree set and the given initial value z, going right to left. Returns the initial value if this immutable tree set is empty.
"Going right to left" only makes sense if this collection is ordered: then if x₁, x₂, ..., x_n are the elements of this immutable tree set, the result is op(x₁, op(x₂, op( ... op(x_n, z) ... ))).
If this collection is not ordered, then for each application of the operator, each left operand is an element. In addition, the rightmost operand is the initial value, and each other right operand is itself an application of the operator. The elements of this immutable tree set and the initial value all appear exactly once in the computation.
B
The result type of the binary operator.
z
An initial value.
op
A binary operator.
returns
The result of applying op to all elements of this immutable tree set and z, going right to left. Returns z if this immutable tree set is empty.
Definition Classes
IterableOnceOps
def forall(p: (A) => Boolean): Boolean
Tests whether a predicate holds for all elements of this immutable tree set.
Tests whether a predicate holds for all elements of this immutable tree set.
p
the predicate used to test elements.
returns
true if this immutable tree set is empty or the given predicate p holds for all elements of this immutable tree set, otherwise false.
Definition Classes
IterableOnceOps
def foreach[U](f: (A) => U): Unit
Applies f to each element for its side effects.
Applies f to each element for its side effects. Note: U parameter needed to help scalac's type inference.
Definition Classes
TreeSet → IterableOnceOps
def fromSpecific(coll: IterableOnce[A]): TreeSet[A]
Defines how to turn a given Iterable[A] into a collection of type C.
Defines how to turn a given Iterable[A] into a collection of type C.
This process can be done in a strict way or a non-strict way (ie. without evaluating the elements of the resulting collections). In other words, this methods defines the evaluation model of the collection.
Attributes
protected
Definition Classes
SortedSetFactoryDefaults → IterableOps
Note
When implementing a custom collection type and refining C to the new type, this method needs to be overridden (the compiler will issue an error otherwise). In the common case where C =:= CC[A], this can be done by mixing in the scala.collection.IterableFactoryDefaults trait, which implements the method using iterableFactory.
,
As witnessed by the @uncheckedVariance annotation, using this method might be unsound. However, as long as it is called with an Iterable[A] obtained from this collection (as it is the case in the implementations of operations where we use a View[A]), it is safe.
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()
def groupBy[K](f: (A) => K): Map[K, TreeSet[A]]
Partitions this immutable tree set into a map of immutable tree sets according to some discriminator function.
Partitions this immutable tree set into a map of immutable tree sets 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 tree sets 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 tree set of those elements x for which f(x) equals k.
Definition Classes
IterableOps
def groupMap[K, B](key: (A) => K)(f: (A) => B): Map[K, Set[B]]
Partitions this immutable tree set into a map of immutable tree sets according to a discriminator function key.
Partitions this immutable tree set into a map of immutable tree sets 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
Definition Classes
IterableOps
def groupMapReduce[K, B](key: (A) => K)(f: (A) => B)(reduce: (B, B) => B): Map[K, B]
Partitions this immutable tree set into a map according to a discriminator function key.
Partitions this immutable tree set 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.
Definition Classes
IterableOps
def grouped(size: Int): Iterator[TreeSet[A]]
Partitions elements in fixed size immutable tree sets.
Partitions elements in fixed size immutable tree sets.
size
the number of elements per group
returns
An iterator producing immutable tree sets of size size, except the last will be less than size size if the elements don't divide evenly.
Definition Classes
IterableOps
See also
scala.collection.Iterator, method grouped
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
Set → AnyRef → Any
def head: A
Selects the first element of this immutable tree set.
Selects the first element of this immutable tree set.
returns
the first element of this immutable tree set.
Definition Classes
TreeSet → IterableOps
Exceptions thrown
NoSuchElementException if the immutable tree set is empty.
def headOption: Option[A]
Optionally selects the first element.
Optionally selects the first element.
returns
the first element of this immutable tree set if it is nonempty, None if it is empty.
Definition Classes
IterableOps
def incl(elem: A): TreeSet[A]
Creates a new TreeSet with the entry added.
Creates a new TreeSet with the entry added.
elem
a new element to add.
returns
a new immutable tree set containing elem and all the elements of this immutable tree set.
Definition Classes
TreeSet → SetOps
def init: TreeSet[A]
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.
Definition Classes
TreeSet → IterableOps
def inits: Iterator[TreeSet[A]]
Iterates over the inits of this immutable tree set.
Iterates over the inits of this immutable tree set. The first value will be this immutable tree set and the final one will be an empty immutable tree set, 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 tree set
Definition Classes
IterableOps
Example:
1. List(1,2,3).inits = Iterator(List(1,2,3), List(1,2), List(1), Nil)
def intersect(that: collection.Set[A]): TreeSet[A]
Computes the intersection between this set and another set.
Computes the intersection between this set and another set.
that
the set to intersect with.
returns
a new set consisting of all elements that are both in this set and in the given set that.
Definition Classes
TreeSet → SetOps
def isEmpty: Boolean
Tests whether the immutable tree set is empty.
Tests whether the immutable tree set is empty.
Note: The default implementation creates and discards an iterator.
Note: Implementations in subclasses that are not repeatedly iterable must take care not to consume any elements when isEmpty is called.
returns
true if the immutable tree set contains no elements, false otherwise.
Definition Classes
TreeSet → IterableOnceOps
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.
def isTraversableAgain: Boolean
Tests whether this immutable tree set can be repeatedly traversed.
Tests whether this immutable tree set can be repeatedly traversed. Always true for Iterables and false for Iterators unless overridden.
returns
true if it is repeatedly traversable, false otherwise.
Definition Classes
IterableOps → IterableOnceOps
def iterableFactory: IterableFactory[Set]
The companion object of this immutable tree set, providing various factory methods.
The companion object of this immutable tree set, providing various factory methods.
Definition Classes
Set → Set → Iterable → Iterable → IterableOps
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).
def iterator: Iterator[A]
An scala.collection.Iterator over the elements of this immutable tree set.
An scala.collection.Iterator over the elements of this immutable tree set.
If an IterableOnce object is in fact an scala.collection.Iterator, this method always returns itself, in its current state, but if it is an scala.collection.Iterable, this method always returns a new scala.collection.Iterator.
Definition Classes
TreeSet → IterableOnce
def iteratorFrom(start: A): Iterator[A]
Creates an iterator that contains all values from this collection greater than or equal to start according to the ordering of this collection.
Creates an iterator that contains all values from this collection greater than or equal to start according to the ordering of this collection. x.iteratorFrom(y) is equivalent to but will usually be more efficient than x.from(y).iterator
start
The lower-bound (inclusive) of the iterator
Definition Classes
TreeSet → SortedSetOps
def knownSize: Int
The number of elements in this immutable tree set, if it can be cheaply computed, -1 otherwise.
The number of elements in this immutable tree set, if it can be cheaply computed, -1 otherwise. Cheaply usually means: Not requiring a collection traversal.
Definition Classes
IterableOnce
def last: A
Selects the last element.
Selects the last element.
returns
The last element of this immutable tree set.
Definition Classes
TreeSet → IterableOps
Exceptions thrown
NoSuchElementException If the immutable tree set is empty.
def lastKey: A
Returns the last key of the collection.
Returns the last key of the collection.
Definition Classes
SortedSetOps → SortedOps
def lastOption: Option[A]
Optionally selects the last element.
Optionally selects the last element.
returns
the last element of this immutable tree set$ if it is nonempty, None if it is empty.
Definition Classes
IterableOps
def lazyZip[B](that: collection.Iterable[B]): LazyZip2[A, B, TreeSet.this.type]
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.
Definition Classes
Iterable
def map[B](f: (A) => B)(implicit ev: Ordering[B]): TreeSet[B]
Builds a new sorted collection by applying a function to all elements of this immutable tree set.
Builds a new sorted collection by applying a function to all elements of this immutable tree set.
B
the element type of the returned collection.
f
the function to apply to each element.
returns
a new immutable tree set resulting from applying the given function f to each element of this immutable tree set and collecting the results.
Definition Classes
StrictOptimizedSortedSetOps → SortedSetOps
def map[B](f: (A) => B): Set[B]
Builds a new immutable tree set by applying a function to all elements of this immutable tree set.
Builds a new immutable tree set by applying a function to all elements of this immutable tree set.
B
the element type of the returned immutable tree set.
f
the function to apply to each element.
returns
a new immutable tree set resulting from applying the given function f to each element of this immutable tree set and collecting the results.
Definition Classes
StrictOptimizedIterableOps → IterableOps → IterableOnceOps
def max[A1 >: A](implicit ord: Ordering[A1]): A
Finds the largest element.
Finds the largest element.
ord
An ordering to be used for comparing elements.
returns
the largest element of this immutable tree set with respect to the ordering ord.
Definition Classes
TreeSet → SortedSetOps → IterableOnceOps
Exceptions thrown
UnsupportedOperationException if this immutable tree set is empty.
def maxBefore(key: A): Option[A]
Find the largest element less than a given key.
Find the largest element less than a given key.
key
The given key.
returns
None if there is no such node.
Definition Classes
TreeSet → SortedSetOps
def maxBy[B](f: (A) => B)(implicit ord: math.Ordering[B]): A
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.
B
The result type of the function f.
f
The measuring function.
returns
the first element of this immutable tree set with the largest value measured by function f with respect to the ordering cmp.
Definition Classes
IterableOnceOps
Exceptions thrown
UnsupportedOperationException if this immutable tree set is empty.
def maxByOption[B](f: (A) => B)(implicit ord: math.Ordering[B]): Option[A]
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.
B
The result type of the function f.
f
The measuring function.
returns
an option value containing the first element of this immutable tree set with the largest value measured by function f with respect to the ordering cmp.
Definition Classes
IterableOnceOps
def maxOption[B >: A](implicit ord: math.Ordering[B]): Option[A]
Finds the largest element.
Finds the largest element.
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 tree set with respect to the ordering ord.
Definition Classes
IterableOnceOps
def min[A1 >: A](implicit ord: Ordering[A1]): A
Finds the smallest element.
Finds the smallest element.
ord
An ordering to be used for comparing elements.
returns
the smallest element of this immutable tree set with respect to the ordering ord.
Definition Classes
TreeSet → SortedSetOps → IterableOnceOps
Exceptions thrown
UnsupportedOperationException if this immutable tree set is empty.
def minAfter(key: A): Option[A]
Find the smallest element larger than or equal to a given key.
Find the smallest element larger than or equal to a given key.
key
The given key.
returns
None if there is no such node.
Definition Classes
TreeSet → SortedSetOps
def minBy[B](f: (A) => B)(implicit ord: math.Ordering[B]): A
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.
B
The result type of the function f.
f
The measuring function.
returns
the first element of this immutable tree set with the smallest value measured by function f with respect to the ordering cmp.
Definition Classes
IterableOnceOps
Exceptions thrown
UnsupportedOperationException if this immutable tree set is empty.
def minByOption[B](f: (A) => B)(implicit ord: math.Ordering[B]): Option[A]
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.
B
The result type of the function f.
f
The measuring function.
returns
an option value containing the first element of this immutable tree set with the smallest value measured by function f with respect to the ordering cmp.
Definition Classes
IterableOnceOps
def minOption[B >: A](implicit ord: math.Ordering[B]): Option[A]
Finds the smallest element.
Finds the smallest element.
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 tree set with respect to the ordering ord.
Definition Classes
IterableOnceOps
final def mkString: String
Displays all elements of this immutable tree set in a string.
Displays all elements of this immutable tree set in a string.
Delegates to addString, which can be overridden.
returns
a string representation of this immutable tree set. In the resulting string the string representations (w.r.t. the method toString) of all elements of this immutable tree set follow each other without any separator string.
Definition Classes
IterableOnceOps
Annotations
@inline()
final def mkString(sep: String): String
Displays all elements of this immutable tree set in a string using a separator string.
Displays all elements of this immutable tree set 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 tree set. In the resulting string the string representations (w.r.t. the method toString) of all elements of this immutable tree set are separated by the string sep.
Definition Classes
IterableOnceOps
Annotations
@inline()
Example:
1. List(1, 2, 3).mkString("|") = "1|2|3"
final def mkString(start: String, sep: String, end: String): String
Displays all elements of this immutable tree set in a string using start, end, and separator strings.
Displays all elements of this immutable tree set 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 tree set. 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 tree set are separated by the string sep.
Definition Classes
IterableOnceOps
Example:
1. List(1, 2, 3).mkString("(", "; ", ")") = "(1; 2; 3)"
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
def newSpecificBuilder: Builder[A, TreeSet[A]]
returns
a strict builder for the same collection type. Note that in the case of lazy collections (e.g. scala.collection.View or scala.collection.immutable.LazyList), it is possible to implement this method but the resulting Builder will break laziness. As a consequence, operations should preferably be implemented with fromSpecific instead of this method.
Attributes
protected
Definition Classes
SortedSetFactoryDefaults → IterableOps
Note
When implementing a custom collection type and refining C to the new type, this method needs to be overridden (the compiler will issue an error otherwise). In the common case where C =:= CC[A], this can be done by mixing in the scala.collection.IterableFactoryDefaults trait, which implements the method using iterableFactory.
,
As witnessed by the @uncheckedVariance annotation, using this method might be unsound. However, as long as the returned builder is only fed with A values taken from this instance, it is safe.
def nonEmpty: Boolean
Tests whether the immutable tree set is not empty.
Tests whether the immutable tree set is not empty.
returns
true if the immutable tree set contains at least one element, false otherwise.
Definition Classes
IterableOnceOps
Annotations
@deprecatedOverriding()
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
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
implicit val ordering: Ordering[A]
Definition Classes
TreeSet → SortedOps
def partition(p: (A) => Boolean): (TreeSet[A], TreeSet[A])
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.
The two immutable tree set correspond to the result of filter and filterNot, respectively.
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.
Definition Classes
TreeSet → StrictOptimizedIterableOps → IterableOps
def partitionMap[A1, A2](f: (A) => Either[A1, A2]): (Set[A1], Set[A2])
Applies a function f to each element of the immutable tree set and returns a pair of immutable tree sets: 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 tree set and returns a pair of immutable tree sets: 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.TreeSet`(1, "one", 2, "two", 3, "three") partitionMap {
 case i: Int => Left(i)
 case s: String => Right(s)
}
// xs == (`immutable.TreeSet`(1, 2, 3),
//        `immutable.TreeSet`(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 tree set to an scala.util.Either
returns
a pair of immutable tree sets: 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.
Definition Classes
StrictOptimizedIterableOps → IterableOps
def product[B >: A](implicit num: math.Numeric[B]): B
Multiplies together the elements of this collection.
Multiplies together the elements of this collection.
The default implementation uses reduce for a known non-empty collection, foldLeft otherwise.
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 tree set with respect to the * operator in num.
Definition Classes
IterableOnceOps
def range(from: A, until: A): TreeSet[A]
Creates a ranged projection of this collection with both a lower-bound and an upper-bound.
Creates a ranged projection of this collection with both a lower-bound and an upper-bound.
from
The lower-bound (inclusive) of the ranged projection.
until
The upper-bound (exclusive) of the ranged projection.
Definition Classes
TreeSet → SortedOps
def rangeFrom(from: A): TreeSet[A]
Creates a ranged projection of this collection with no upper-bound.
Creates a ranged projection of this collection with no upper-bound.
from
The lower-bound (inclusive) of the ranged projection.
Definition Classes
SortedOps
def rangeImpl(from: Option[A], until: Option[A]): TreeSet[A]
Creates a ranged projection of this collection.
Creates a ranged projection of this collection. Any mutations in the ranged projection will update this collection and vice versa.
Note: keys are not guaranteed to be consistent between this collection and the projection. This is the case for buffers where indexing is relative to the projection.
from
The lower-bound (inclusive) of the ranged projection. None if there is no lower bound.
until
The upper-bound (exclusive) of the ranged projection. None if there is no upper bound.
Definition Classes
TreeSet → SortedOps
def rangeTo(to: A): TreeSet[A]
Create a range projection of this collection with no lower-bound.
Create a range projection of this collection with no lower-bound.
to
The upper-bound (inclusive) of the ranged projection.
Definition Classes
SortedSetOps → SortedOps
def rangeUntil(until: A): TreeSet[A]
Creates a ranged projection of this collection with no lower-bound.
Creates a ranged projection of this collection with no lower-bound.
until
The upper-bound (exclusive) of the ranged projection.
Definition Classes
SortedOps
def reduce[B >: A](op: (B, B) => B): B
Applies the given binary operator op to all elements of this immutable tree set.
Applies the given binary operator op to all elements of this immutable tree set.
For each application of the operator, each operand is either an element of this immutable tree set or another such application of the operator. The order of applications of the operator is unspecified and may be nondeterministic. Each element appears exactly once in the computation.
If this collection is ordered, then for any application of the operator, the element(s) appearing in the left operand will precede those in the right.
Note: might return different results for different runs, unless either of the following conditions is met: (1) the operator is associative, and the underlying collection type is ordered; or (2) the operator is associative and commutative.
B
The type parameter for the binary operator, a supertype of A.
op
A binary operator; must be associative for the result to always be the same across runs.
returns
The result of applying op between all the elements if the immutable tree set is nonempty.
Definition Classes
IterableOnceOps
Exceptions thrown
UnsupportedOperationException if this immutable tree set is empty.
def reduceLeft[B >: A](op: (B, A) => B): B
Applies the given binary operator op to all elements of this immutable tree set, going left to right.
Applies the given binary operator op to all elements of this immutable tree set, going left to right.
"Going left to right" only makes sense if this collection is ordered: then if x₁, x₂, ..., x_n are the elements of this immutable tree set, the result is op( op( op( ... op(x₁, x₂) ... ), x_n-1), x_n).
If this collection is not ordered, then for each application of the operator, each right operand is an element. In addition, the leftmost operand is the first element of this immutable tree set and each other left operand is itself an application of the operator. Each element appears exactly once in the computation.
Note: might return different results for different runs, unless the underlying collection type is ordered or the operator is associative and commutative.
B
The result type of the binary operator, a supertype of A.
op
A binary operator.
returns
The result of applying op to all elements of this immutable tree set, going left to right.
Definition Classes
IterableOnceOps
Exceptions thrown
UnsupportedOperationException if this immutable tree set is empty.
def reduceLeftOption[B >: A](op: (B, A) => B): Option[B]
If this immutable tree set is nonempty, reduces it with the given binary operator op, going left to right.
If this immutable tree set is nonempty, reduces it with the given binary operator op, going left to right.
The behavior is the same as reduceLeft except that the value is None if the immutable tree set is empty. Each element appears exactly once in the computation.
Note: might return different results for different runs, unless the underlying collection type is ordered or the operator is associative and commutative.
B
The result type of the binary operator, a supertype of A.
op
A binary operator.
returns
The result of reducing this immutable tree set with op going left to right if the immutable tree set is nonempty, inside a Some, and None otherwise.
Definition Classes
IterableOnceOps
def reduceOption[B >: A](op: (B, B) => B): Option[B]
If this immutable tree set is nonempty, reduces it with the given binary operator op.
If this immutable tree set is nonempty, reduces it with the given binary operator op.
The behavior is the same as reduce except that the value is None if the immutable tree set is empty. The order of applications of the operator is unspecified and may be nondeterministic. Each element appears exactly once in the computation.
Note: might return different results for different runs, unless either of the following conditions is met: (1) the operator is associative, and the underlying collection type is ordered; or (2) the operator is associative and commutative.
B
A type parameter for the binary operator, a supertype of A.
op
A binary operator; must be associative for the result to always be the same across runs.
returns
The result of reducing this immutable tree set with op if the immutable tree set is nonempty, inside a Some, and None otherwise.
Definition Classes
IterableOnceOps
def reduceRight[B >: A](op: (A, B) => B): B
Applies the given binary operator op to all elements of this immutable tree set, going right to left.
Applies the given binary operator op to all elements of this immutable tree set, going right to left.
"Going right to left" only makes sense if this collection is ordered: then if x₁, x₂, ..., x_n are the elements of this immutable tree set, the result is op(x₁, op(x₂, op( ... op(x_n-1, x_n) ... ))).
If this collection is not ordered, then for each application of the operator, each left operand is an element. In addition, the rightmost operand is the last element of this immutable tree set and each other right operand is itself an application of the operator. Each element appears exactly once in the computation.
Note: might return different results for different runs, unless the underlying collection type is ordered or the operator is associative and commutative.
B
The result type of the binary operator, a supertype of A.
op
A binary operator.
returns
The result of applying op to all elements of this immutable tree set, going right to left.
Definition Classes
IterableOnceOps
Exceptions thrown
UnsupportedOperationException if this immutable tree set is empty.
def reduceRightOption[B >: A](op: (A, B) => B): Option[B]
If this immutable tree set is nonempty, reduces it with the given binary operator op, going right to left.
If this immutable tree set is nonempty, reduces it with the given binary operator op, going right to left.
The behavior is the same as reduceRight except that the value is None if the immutable tree set is empty. Each element appears exactly once in the computation.
Note: might return different results for different runs, unless the underlying collection type is ordered or the operator is associative and commutative.
B
The result type of the binary operator, a supertype of A.
op
A binary operator.
returns
The result of reducing this immutable tree set with op going right to left if the immutable tree set is nonempty, inside a Some, and None otherwise.
Definition Classes
IterableOnceOps
def removedAll(that: IterableOnce[A]): TreeSet[A]
Creates a new immutable tree set from this immutable tree set by removing all elements of another collection.
Creates a new immutable tree set from this immutable tree set by removing all elements of another collection.
that
the collection containing the elements to remove.
returns
a new immutable tree set with the given elements removed, omitting duplicates.
Definition Classes
TreeSet → SetOps
def reversed: collection.Iterable[A]
Attributes
protected
Definition Classes
IterableOnceOps
def scan[B >: A](z: B)(op: (B, B) => B): Set[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 tree set containing the prefix scan of the elements in this immutable tree set
Definition Classes
IterableOps
def scanLeft[B](z: B)(op: (B, A) => B): Set[B]
Produces a immutable tree set containing cumulative results of applying the operator going left to right, including the initial value.
Produces a immutable tree set containing cumulative results of applying the operator going left to right, including the initial value.
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
Definition Classes
StrictOptimizedIterableOps → IterableOps → IterableOnceOps
def scanRight[B](z: B)(op: (A, B) => B): Set[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: 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
Definition Classes
IterableOps
def size: Int
The size of this immutable tree set.
The size of this immutable tree set.
returns
the number of elements in this immutable tree set.
Definition Classes
TreeSet → IterableOnceOps
def sizeCompare(that: collection.Iterable[_]): Int
Compares the size of this immutable tree set to the size of another Iterable.
Compares the size of this immutable tree set to the size of another Iterable.
that
the Iterable whose size is compared with this immutable tree set'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.
Definition Classes
IterableOps
def sizeCompare(otherSize: Int): Int
Compares the size of this immutable tree set to a test value.
Compares the size of this immutable tree set 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.
Definition Classes
IterableOps
See also
sizeIs
final def sizeIs: SizeCompareOps
Returns a value class containing operations for comparing the size of this immutable tree set to a test value.
Returns a value class containing operations for comparing the size of this immutable tree set 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
```
Definition Classes
IterableOps
Annotations
@inline()
def slice(from: Int, until: Int): TreeSet[A]
Selects an interval of elements.
Selects an interval of elements. The returned immutable tree set is made up of all elements x which satisfy the invariant:
```
from <= indexOf(x) < until
```
from
the lowest index to include from this immutable tree set.
until
the lowest index to EXCLUDE from this immutable tree set.
returns
a immutable tree set containing the elements greater than or equal to index from extending up to (but not including) index until of this immutable tree set.
Definition Classes
TreeSet → IterableOps → IterableOnceOps
def sliding(size: Int, step: Int): Iterator[TreeSet[A]]
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 tree sets 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.
Definition Classes
IterableOps
Examples:
1. List(1, 2, 3, 4, 5).sliding(2, 2) = Iterator(List(1, 2), List(3, 4), List(5))
2. List(1, 2, 3, 4, 5, 6).sliding(2, 3) = Iterator(List(1, 2), List(4, 5))
See also
scala.collection.Iterator, method sliding
def sliding(size: Int): Iterator[TreeSet[A]]
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 tree sets 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.
Definition Classes
IterableOps
Examples:
1. List().sliding(2) = empty iterator
2. List(1).sliding(2) = Iterator(List(1))
3. List(1, 2).sliding(2) = Iterator(List(1, 2))
4. List(1, 2, 3).sliding(2) = Iterator(List(1, 2), List(2, 3))
See also
scala.collection.Iterator, method sliding
def sortedIterableFactory: TreeSet.type
The companion object of this sorted set, providing various factory methods.
The companion object of this sorted set, providing various factory methods.
Definition Classes
TreeSet → SortedSet → SortedSet → SortedSetOps
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).
def span(p: (A) => Boolean): (TreeSet[A], TreeSet[A])
Splits this immutable tree set into a prefix/suffix pair according to a predicate.
Splits this immutable tree set 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 tree set whose elements all satisfy p, and the rest of this immutable tree set.
Definition Classes
TreeSet → StrictOptimizedIterableOps → IterableOps → IterableOnceOps
def splitAt(n: Int): (TreeSet[A], TreeSet[A])
Splits this immutable tree set into a prefix/suffix pair at a given position.
Splits this immutable tree set 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 tree sets consisting of the first n elements of this immutable tree set, and the other elements.
Definition Classes
IterableOps → IterableOnceOps
def stepper[S <: Stepper[_]](implicit shape: StepperShape[A, 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.
- For collections of Int, Short, Byte or Char, an scala.collection.IntStepper is returned
- For collections of Double or Float, a scala.collection.DoubleStepper is returned
- For collections of Long a scala.collection.LongStepper is returned
- For any other element type, an scala.collection.AnyStepper is returned
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.
Definition Classes
TreeSet → IterableOnce
final def strictOptimizedCollect[B, C2](b: Builder[B, C2], pf: PartialFunction[A, B]): C2
B
Type of elements of the resulting collection (e.g. String)
C2
Type of the resulting collection (e.g. List[String])
b
Builder to use to build the resulting collection
pf
Element transformation partial function
returns
The resulting collection
Attributes
protected[this]
Definition Classes
StrictOptimizedIterableOps
Annotations
@inline()
final def strictOptimizedConcat[B >: A, C2](that: IterableOnce[B], b: Builder[B, C2]): C2
B
Type of elements of the resulting collections (e.g. Int)
C2
Type of the resulting collection (e.g. List[Int])
that
Elements to concatenate to this collection
b
Builder to use to build the resulting collection
returns
The resulting collection
Attributes
protected[this]
Definition Classes
StrictOptimizedIterableOps
Annotations
@inline()
final def strictOptimizedFlatMap[B, C2](b: Builder[B, C2], f: (A) => IterableOnce[B]): C2
B
Type of elements of the resulting collection (e.g. String)
C2
Type of the resulting collection (e.g. List[String])
b
Builder to use to build the resulting collection
f
Element transformation function
returns
The resulting collection
Attributes
protected[this]
Definition Classes
StrictOptimizedIterableOps
Annotations
@inline()
final def strictOptimizedFlatten[B, C2](b: Builder[B, C2])(implicit toIterableOnce: (A) => IterableOnce[B]): C2
B
Type of elements of the resulting collection (e.g. Int)
C2
Type of the resulting collection (e.g. List[Int])
b
Builder to use to build the resulting collection
toIterableOnce
Evidence that A can be seen as an IterableOnce[B]
returns
The resulting collection
Attributes
protected[this]
Definition Classes
StrictOptimizedIterableOps
Annotations
@inline()
final def strictOptimizedMap[B, C2](b: Builder[B, C2], f: (A) => B): C2
B
Type of elements of the resulting collection (e.g. String)
C2
Type of the resulting collection (e.g. List[String])
b
Builder to use to build the resulting collection
f
Element transformation function
returns
The resulting collection
Attributes
protected[this]
Definition Classes
StrictOptimizedIterableOps
Annotations
@inline()
final def strictOptimizedZip[B, C2](that: IterableOnce[B], b: Builder[(A, B), C2]): C2
B
Type of elements of the second collection (e.g. String)
C2
Type of the resulting collection (e.g. List[(Int, String)])
that
Collection to zip with this collection
b
Builder to use to build the resulting collection
returns
The resulting collection
Attributes
protected[this]
Definition Classes
StrictOptimizedIterableOps
Annotations
@inline()
def stringPrefix: String
Attributes
protected[this]
Definition Classes
SortedSet → Set → Iterable
Annotations
@nowarn()
def subsetOf(that: collection.Set[A]): Boolean
Tests whether this set is a subset of another set.
Tests whether this set is a subset of another set.
that
the set to test.
returns
true if this set is a subset of that, i.e. if every element of this set is also an element of that.
Definition Classes
SetOps
def subsets(): Iterator[TreeSet[A]]
An iterator over all subsets of this set.
An iterator over all subsets of this set.
returns
the iterator.
Definition Classes
SetOps
def subsets(len: Int): Iterator[TreeSet[A]]
An iterator over all subsets of this set of the given size.
An iterator over all subsets of this set of the given size. If the requested size is impossible, an empty iterator is returned.
len
the size of the subsets.
returns
the iterator.
Definition Classes
SetOps
def sum[B >: A](implicit num: math.Numeric[B]): B
Sums the elements of this collection.
Sums the elements of this collection.
The default implementation uses reduce for a known non-empty collection, foldLeft otherwise.
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 tree set with respect to the + operator in num.
Definition Classes
IterableOnceOps
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
def tail: TreeSet[A]
The rest of the collection without its first element.
The rest of the collection without its first element.
Definition Classes
TreeSet → IterableOps
def tails: Iterator[TreeSet[A]]
Iterates over the tails of this immutable tree set.
Iterates over the tails of this immutable tree set. The first value will be this immutable tree set and the final one will be an empty immutable tree set, with the intervening values the results of successive applications of tail.
returns
an iterator over all the tails of this immutable tree set
Definition Classes
IterableOps
Example:
1. List(1,2,3).tails = Iterator(List(1,2,3), List(2,3), List(3), Nil)
def take(n: Int): TreeSet[A]
Selects the first n elements.
Selects the first n elements.
n
the number of elements to take from this immutable tree set.
returns
a immutable tree set consisting only of the first n elements of this immutable tree set, or else the whole immutable tree set, if it has less than n elements. If n is negative, returns an empty immutable tree set.
Definition Classes
TreeSet → IterableOps → IterableOnceOps
def takeRight(n: Int): TreeSet[A]
A collection containing the last n elements of this collection.
A collection containing the last n elements of this collection.
Note: Even when applied to a view or a lazy collection it will always force the elements.
n
the number of elements to take from this immutable tree set.
returns
a immutable tree set consisting only of the last n elements of this immutable tree set, or else the whole immutable tree set, if it has less than n elements. If n is negative, returns an empty immutable tree set.
Definition Classes
TreeSet → StrictOptimizedIterableOps → IterableOps
def takeWhile(p: (A) => Boolean): TreeSet[A]
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 tree set whose elements all satisfy the predicate p.
Definition Classes
TreeSet → IterableOps → IterableOnceOps
def tapEach[U](f: (A) => U): TreeSet[A]
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 tree set
returns
The same logical collection as this
Definition Classes
StrictOptimizedIterableOps → IterableOps → IterableOnceOps
def to[C1](factory: Factory[A, C1]): C1
Given a collection factory factory, converts this immutable tree set to the appropriate representation for the current element type A.
Given a collection factory factory, converts this immutable tree set 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]
```
Definition Classes
IterableOnceOps
def toArray[B >: A](implicit arg0: ClassTag[B]): Array[B]
Converts this immutable tree set to an Array.
Converts this immutable tree set to an Array.
Implementation note: DO NOT call Array.from from this method.
B
The type of elements of the result, a supertype of A.
returns
This immutable tree set as an Array[B].
Definition Classes
IterableOnceOps
final def toBuffer[B >: A]: Buffer[B]
Converts this immutable tree set to a Buffer.
Converts this immutable tree set to a Buffer.
B
The type of elements of the result, a supertype of A.
returns
This immutable tree set as a Buffer[B].
Definition Classes
IterableOnceOps
Annotations
@inline()
def toIndexedSeq: IndexedSeq[A]
Converts this immutable tree set to an IndexedSeq.
Converts this immutable tree set to an IndexedSeq.
returns
This immutable tree set as an IndexedSeq[A].
Definition Classes
IterableOnceOps
def toList: List[A]
Converts this immutable tree set to a List.
Converts this immutable tree set to a List.
returns
This immutable tree set as a List[A].
Definition Classes
IterableOnceOps
def toMap[K, V](implicit ev: <:<[A, (K, V)]): Map[K, V]
Converts this immutable tree set to a Map, given an implicit coercion from the immutable tree set's type to a key-value tuple.
Converts this immutable tree set to a Map, given an implicit coercion from the immutable tree set's type to a key-value tuple.
K
The key type for the resulting map.
V
The value type for the resulting map.
ev
An implicit coercion from A to [K, V].
returns
This immutable tree set as a Map[K, V].
Definition Classes
IterableOnceOps
def toSeq: Seq[A]
returns
This immutable tree set as a Seq[A]. This is equivalent to to(Seq) but might be faster.
Definition Classes
IterableOnceOps
def toSet[B >: A]: Set[B]
Converts this immutable tree set to a Set.
Converts this immutable tree set to a Set.
B
The type of elements of the result, a supertype of A.
returns
This immutable tree set as a Set[B].
Definition Classes
IterableOnceOps
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
Set → Function1 → Iterable → AnyRef → Any
def toVector: Vector[A]
Converts this immutable tree set to a Vector.
Converts this immutable tree set to a Vector.
returns
This immutable tree set as a Vector[A].
Definition Classes
IterableOnceOps
def transpose[B](implicit asIterable: (A) => collection.Iterable[B]): Set[Set[B]]
Transposes this immutable tree set of iterable collections into a immutable tree set of immutable tree sets.
Transposes this immutable tree set of iterable collections into a immutable tree set of immutable tree sets.
The resulting collection's type will be guided by the static type of immutable tree set. 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 tree set is an Iterable.
returns
a two-dimensional immutable tree set of immutable tree sets which has as nth row the nth column of this immutable tree set.
Definition Classes
IterableOps
Exceptions thrown
IllegalArgumentException if all collections in this immutable tree set are not of the same size.
final def union(that: collection.Set[A]): TreeSet[A]
Computes the union between of set and another set.
Computes the union between of set and another set.
that
the set to form the union with.
returns
a new set consisting of all elements that are in this set or in the given set that.
Definition Classes
SetOps
Annotations
@inline()
def unsorted: Set[A]
Definition Classes
SortedSet → SortedSetOps → SortedSet → SortedSetOps
def unzip[A1, A2](implicit asPair: (A) => (A1, A2)): (Set[A1], Set[A2])
Converts this immutable tree set of pairs into two collections of the first and second half of each pair.
Converts this immutable tree set of pairs into two collections of the first and second half of each pair.
```
val xs = `immutable.TreeSet`(
           (1, "one"),
           (2, "two"),
           (3, "three")).unzip
// xs == (`immutable.TreeSet`(1, 2, 3),
//        `immutable.TreeSet`(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 tree set is a pair.
returns
a pair of immutable tree sets, containing the first, respectively second half of each element pair of this immutable tree set.
Definition Classes
StrictOptimizedIterableOps → IterableOps
def unzip3[A1, A2, A3](implicit asTriple: (A) => (A1, A2, A3)): (Set[A1], Set[A2], Set[A3])
Converts this immutable tree set of triples into three collections of the first, second, and third element of each triple.
Converts this immutable tree set of triples into three collections of the first, second, and third element of each triple.
```
val xs = `immutable.TreeSet`(
           (1, "one", '1'),
           (2, "two", '2'),
           (3, "three", '3')).unzip3
// xs == (`immutable.TreeSet`(1, 2, 3),
//        `immutable.TreeSet`(one, two, three),
//        `immutable.TreeSet`(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 tree set is a triple.
returns
a triple of immutable tree sets, containing the first, second, respectively third member of each element triple of this immutable tree set.
Definition Classes
StrictOptimizedIterableOps → IterableOps
def view: View[A]
A view over the elements of this collection.
A view over the elements of this collection.
Definition Classes
IterableOps
final def wait(): Unit
See https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html#wait--.
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
final def wait(arg0: Long, arg1: Int): Unit
See https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html#wait-long-int-
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
final def wait(arg0: Long): Unit
See https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html#wait-long-.
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
def withFilter(p: (A) => Boolean): SortedSetOps.WithFilter[A, [x]Set[x], [X]TreeSet[X]]
Creates a non-strict filter of this immutable tree set.
Creates a non-strict filter of this immutable tree set.
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 tree set which satisfy the predicate p.
Definition Classes
SortedSetFactoryDefaults → IterableOps
def writeReplace(): AnyRef
Attributes
protected[this]
Definition Classes
DefaultSerializable
def zip[B](that: IterableOnce[B])(implicit ev: Ordering[(A, B)]): TreeSet[(A, B)]
Returns a immutable tree set formed from this immutable tree set and another iterable collection by combining corresponding elements in pairs.
Returns a immutable tree set formed from this immutable tree set 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 tree set containing pairs consisting of corresponding elements of this immutable tree set and that. The length of the returned collection is the minimum of the lengths of this immutable tree set and that.
Definition Classes
StrictOptimizedSortedSetOps → SortedSetOps
def zip[B](that: IterableOnce[B]): Set[(A, B)]
Returns a immutable tree set formed from this immutable tree set and another iterable collection by combining corresponding elements in pairs.
Returns a immutable tree set formed from this immutable tree set 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 tree set containing pairs consisting of corresponding elements of this immutable tree set and that. The length of the returned collection is the minimum of the lengths of this immutable tree set and that.
Definition Classes
StrictOptimizedIterableOps → IterableOps
def zipAll[A1 >: A, B](that: collection.Iterable[B], thisElem: A1, thatElem: B): Set[(A1, B)]
Returns a immutable tree set formed from this immutable tree set and another iterable collection by combining corresponding elements in pairs.
Returns a immutable tree set formed from this immutable tree set 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 tree set is shorter than that.
thatElem
the element to be used to fill up the result if that is shorter than this immutable tree set.
returns
a new collection of type That containing pairs consisting of corresponding elements of this immutable tree set and that. The length of the returned collection is the maximum of the lengths of this immutable tree set and that. If this immutable tree set is shorter than that, thisElem values are used to pad the result. If that is shorter than this immutable tree set, thatElem values are used to pad the result.
Definition Classes
IterableOps
def zipWithIndex: Set[(A, Int)]
Zips this immutable tree set with its indices.
Zips this immutable tree set with its indices.
returns
A new immutable tree set containing pairs consisting of all elements of this immutable tree set paired with their index. Indices start at 0.
Definition Classes
StrictOptimizedIterableOps → IterableOps → IterableOnceOps
Example:
1. List("a", "b", "c").zipWithIndex == List(("a", 0), ("b", 1), ("c", 2))
final def |(that: collection.Set[A]): TreeSet[A]
Alias for union
Alias for union
Definition Classes
SetOps
Annotations
@inline()

Shadowed Implicit Value Members

def +(other: String): String
Implicit
This member is added by an implicit conversion from TreeSet[A] toany2stringadd[TreeSet[A]] performed by method any2stringadd in scala.Predef.
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Definition Classes
any2stringadd

Deprecated Value Members

def +(elem1: A, elem2: A, elems: A*): TreeSet[A]
Definition Classes
SetOps
Annotations
@deprecated
Deprecated
(Since version 2.13.0) Use ++ with an explicit collection argument instead of + with varargs
def ++:[B >: A](that: IterableOnce[B]): Set[B]
Definition Classes
IterableOps
Annotations
@deprecated
Deprecated
(Since version 2.13.0) Use ++ instead of ++: for collections of type Iterable
def -(elem1: A, elem2: A, elems: A*): TreeSet[A]
Definition Classes
SetOps
Annotations
@deprecated
Deprecated
(Since version 2.13.0) Use &- with an explicit collection argument instead of - with varargs
def /:[B](z: B)(op: (B, A) => B): B
Implicit
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Definition Classes
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Annotations
@deprecated @inline()
Deprecated
(Since version 2.13.0) Use .iterator.foldLeft instead
final def /:[B](z: B)(op: (B, A) => B): B
Definition Classes
IterableOnceOps
Annotations
@deprecated @inline()
Deprecated
(Since version 2.13.0) Use foldLeft instead of /:
def :\[B](z: B)(op: (A, B) => B): B
Implicit
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Definition Classes
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@deprecated @inline()
Deprecated
(Since version 2.13.0) Use .iterator.foldRight instead
final def :\[B](z: B)(op: (A, B) => B): B
Definition Classes
IterableOnceOps
Annotations
@deprecated @inline()
Deprecated
(Since version 2.13.0) Use foldRight instead of :\
def aggregate[B](z: => B)(seqop: (B, A) => B, combop: (B, B) => B): B
Aggregates the results of applying an operator to subsequent elements.
Aggregates the results of applying an operator to subsequent elements.
Since this method degenerates to foldLeft for sequential (non-parallel) collections, where the combining operation is ignored, it is advisable to prefer foldLeft for that case.
For parallel collections, use the aggregate method specified by scala.collection.parallel.ParIterableLike.
B
the result type, produced by seqop, combop, and by this function as a final result.
z
the start value, a neutral element for seqop.
seqop
the binary operator used to accumulate the result.
combop
an associative operator for combining sequential results, unused for sequential collections.
Definition Classes
IterableOnceOps
Annotations
@deprecated
Deprecated
(Since version 2.13.0) For sequential collections, prefer foldLeft(z)(seqop). For parallel collections, use ParIterableLike#aggregate.
def collectFirst[B](f: PartialFunction[A, B]): Option[B]
Implicit
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Definition Classes
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Annotations
@deprecated
Deprecated
(Since version 2.13.0) Use .iterator.collectFirst(...) instead
def companion: IterableFactory[[_]Set[_]]
Definition Classes
IterableOps
Annotations
@deprecated @deprecatedOverriding() @inline()
Deprecated
(Since version 2.13.0) Use iterableFactory instead
def compare(k0: A, k1: A): Int
Comparison function that orders keys.
Comparison function that orders keys.
Definition Classes
SortedOps
Annotations
@deprecated @deprecatedOverriding() @inline()
Deprecated
(Since version 2.13.0) Use ordering.compare instead
def copyToBuffer(dest: Buffer[A]): Unit
Implicit
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Definition Classes
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Annotations
@deprecated
Deprecated
(Since version 2.13.0) Use .iterator.copyToBuffer(...) instead
final def copyToBuffer[B >: A](dest: Buffer[B]): Unit
Definition Classes
IterableOnceOps
Annotations
@deprecated @inline()
Deprecated
(Since version 2.13.0) Use dest ++= coll instead
def count(f: (A) => Boolean): Int
Implicit
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Definition Classes
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@deprecated
Deprecated
(Since version 2.13.0) Use .iterator.count(...) instead
def exists(f: (A) => Boolean): Boolean
Implicit
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Definition Classes
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@deprecated
Deprecated
(Since version 2.13.0) Use .iterator.exists(...) instead
def filter(f: (A) => Boolean): Iterator[A]
Implicit
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@deprecated
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(Since version 2.13.0) Use .iterator.filter(...) instead
def find(p: (A) => Boolean): Option[A]
Implicit
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Definition Classes
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@deprecated
Deprecated
(Since version 2.13.0) Use .iterator.find instead
def flatMap[B](f: (A) => IterableOnce[B]): IterableOnce[B]
Implicit
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Definition Classes
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@deprecated
Deprecated
(Since version 2.13.0) Use .iterator.flatMap instead or consider requiring an Iterable
def fold[A1 >: A](z: A1)(op: (A1, A1) => A1): A1
Implicit
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@deprecated
Deprecated
(Since version 2.13.0) Use .iterator.fold instead
def foldLeft[B](z: B)(op: (B, A) => B): B
Implicit
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Annotations
@deprecated @inline()
Deprecated
(Since version 2.13.0) Use .iterator.foldLeft instead
def foldRight[B](z: B)(op: (A, B) => B): B
Implicit
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Definition Classes
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Annotations
@deprecated @inline()
Deprecated
(Since version 2.13.0) Use .iterator.foldRight instead
def forall(f: (A) => Boolean): Boolean
Implicit
This member is added by an implicit conversion from TreeSet[A] toIterableOnceExtensionMethods[A] performed by method iterableOnceExtensionMethods in scala.collection.IterableOnce.
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Definition Classes
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@deprecated
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(Since version 2.13.0) Use .iterator.forall(...) instead
def foreach[U](f: (A) => U): Unit
Implicit
This member is added by an implicit conversion from TreeSet[A] toIterableOnceExtensionMethods[A] performed by method iterableOnceExtensionMethods in scala.collection.IterableOnce.
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@deprecated @inline()
Deprecated
(Since version 2.13.0) Use .iterator.foreach(...) instead
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 TreeSet[A] toStringFormat[TreeSet[A]] 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.
final def from(from: A): TreeSet[A]
Creates a ranged projection of this collection with no upper-bound.
Creates a ranged projection of this collection with no upper-bound.
from
The lower-bound (inclusive) of the ranged projection.
Definition Classes
SortedOps
Annotations
@deprecated
Deprecated
(Since version 2.13.0) Use rangeFrom
def hasDefiniteSize: Boolean
Tests whether this immutable tree set is known to have a finite size.
Tests whether this immutable tree set 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.
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
def isEmpty: Boolean
Implicit
This member is added by an implicit conversion from TreeSet[A] toIterableOnceExtensionMethods[A] performed by method iterableOnceExtensionMethods in scala.collection.IterableOnce.
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Definition Classes
IterableOnceExtensionMethods
Annotations
@deprecated
Deprecated
(Since version 2.13.0) Use .iterator.isEmpty instead
def keysIteratorFrom(start: A): Iterator[A]
Definition Classes
SortedSetOps
Annotations
@deprecated @inline()
Deprecated
(Since version 2.13.0) Use iteratorFrom instead.
def map[B](f: (A) => B): IterableOnce[B]
Implicit
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@deprecated
Deprecated
(Since version 2.13.0) Use .iterator.map instead or consider requiring an Iterable
def max(implicit ord: math.Ordering[A]): A
Implicit
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@deprecated
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(Since version 2.13.0) Use .iterator.max instead
def maxBy[B](f: (A) => B)(implicit cmp: math.Ordering[B]): A
Implicit
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(Since version 2.13.0) Use .iterator.maxBy(...) instead
def min(implicit ord: math.Ordering[A]): A
Implicit
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@deprecated
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(Since version 2.13.0) Use .iterator.min instead
def minBy[B](f: (A) => B)(implicit cmp: math.Ordering[B]): A
Implicit
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def mkString: String
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def mkString(sep: String): String
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(Since version 2.13.0) Use .iterator.mkString instead
def mkString(start: String, sep: String, end: String): String
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def nonEmpty: Boolean
Implicit
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def product(implicit num: math.Numeric[A]): A
Implicit
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@deprecated
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(Since version 2.13.0) Use .iterator.product instead
def reduce(f: (A, A) => A): A
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(Since version 2.13.0) Use .iterator.reduce(...) instead
def reduceLeft(f: (A, A) => A): A
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def reduceLeftOption(f: (A, A) => A): Option[A]
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(treeSet: IterableOnceExtensionMethods[A]).reduceLeftOption(f)
Definition Classes
IterableOnceExtensionMethods
Annotations
@deprecated
Deprecated
(Since version 2.13.0) Use .iterator.reduceLeftOption(...) instead
def reduceOption(f: (A, A) => A): Option[A]
Implicit
This member is added by an implicit conversion from TreeSet[A] toIterableOnceExtensionMethods[A] performed by method iterableOnceExtensionMethods in scala.collection.IterableOnce.
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:
(treeSet: IterableOnceExtensionMethods[A]).reduceOption(f)
Definition Classes
IterableOnceExtensionMethods
Annotations
@deprecated
Deprecated
(Since version 2.13.0) Use .iterator.reduceOption(...) instead
def reduceRight(f: (A, A) => A): A
Implicit
This member is added by an implicit conversion from TreeSet[A] toIterableOnceExtensionMethods[A] performed by method iterableOnceExtensionMethods in scala.collection.IterableOnce.
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:
(treeSet: IterableOnceExtensionMethods[A]).reduceRight(f)
Definition Classes
IterableOnceExtensionMethods
Annotations
@deprecated
Deprecated
(Since version 2.13.0) Use .iterator.reduceRight(...) instead
def reduceRightOption(f: (A, A) => A): Option[A]
Implicit
This member is added by an implicit conversion from TreeSet[A] toIterableOnceExtensionMethods[A] performed by method iterableOnceExtensionMethods in scala.collection.IterableOnce.
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:
(treeSet: IterableOnceExtensionMethods[A]).reduceRightOption(f)
Definition Classes
IterableOnceExtensionMethods
Annotations
@deprecated
Deprecated
(Since version 2.13.0) Use .iterator.reduceRightOption(...) instead
final def repr: TreeSet[A]
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
def sameElements[B >: A](that: IterableOnce[B]): Boolean
Implicit
This member is added by an implicit conversion from TreeSet[A] toIterableOnceExtensionMethods[A] performed by method iterableOnceExtensionMethods in scala.collection.IterableOnce.
Definition Classes
IterableOnceExtensionMethods
Annotations
@deprecated
Deprecated
(Since version 2.13.0) Use .iterator.sameElements instead
def seq: TreeSet.this.type
Definition Classes
Iterable
Annotations
@deprecated
Deprecated
(Since version 2.13.0) Iterable.seq always returns the iterable itself
def size: Int
Implicit
This member is added by an implicit conversion from TreeSet[A] toIterableOnceExtensionMethods[A] performed by method iterableOnceExtensionMethods in scala.collection.IterableOnce.
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:
(treeSet: IterableOnceExtensionMethods[A]).size
Definition Classes
IterableOnceExtensionMethods
Annotations
@deprecated
Deprecated
(Since version 2.13.0) Use .iterator.size instead
def sum(implicit num: math.Numeric[A]): A
Implicit
This member is added by an implicit conversion from TreeSet[A] toIterableOnceExtensionMethods[A] performed by method iterableOnceExtensionMethods in scala.collection.IterableOnce.
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:
(treeSet: IterableOnceExtensionMethods[A]).sum(num)
Definition Classes
IterableOnceExtensionMethods
Annotations
@deprecated
Deprecated
(Since version 2.13.0) Use .iterator.sum instead
def to[C1](factory: Factory[A, C1]): C1
Implicit
This member is added by an implicit conversion from TreeSet[A] toIterableOnceExtensionMethods[A] performed by method iterableOnceExtensionMethods in scala.collection.IterableOnce.
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:
(treeSet: IterableOnceExtensionMethods[A]).to(factory)
Definition Classes
IterableOnceExtensionMethods
Annotations
@deprecated
Deprecated
(Since version 2.13.0) Use .iterator.to(factory) instead
final def to(to: A): TreeSet[A]
Create a range projection of this collection with no lower-bound.
Create a range projection of this collection with no lower-bound.
to
The upper-bound (inclusive) of the ranged projection.
Definition Classes
SortedOps
Annotations
@deprecated
Deprecated
(Since version 2.13.0) Use rangeTo
def toArray[B >: A](implicit arg0: ClassTag[B]): Array[B]
Implicit
This member is added by an implicit conversion from TreeSet[A] toIterableOnceExtensionMethods[A] performed by method iterableOnceExtensionMethods in scala.collection.IterableOnce.
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:
(treeSet: IterableOnceExtensionMethods[A]).toArray(arg0)
Definition Classes
IterableOnceExtensionMethods
Annotations
@deprecated
Deprecated
(Since version 2.13.0) Use .iterator.toArray
def toBuffer[B >: A]: Buffer[B]
Implicit
This member is added by an implicit conversion from TreeSet[A] toIterableOnceExtensionMethods[A] performed by method iterableOnceExtensionMethods in scala.collection.IterableOnce.
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:
(treeSet: IterableOnceExtensionMethods[A]).toBuffer
Definition Classes
IterableOnceExtensionMethods
Annotations
@deprecated
Deprecated
(Since version 2.13.0) Use .iterator.to(ArrayBuffer) instead
def toIndexedSeq: collection.IndexedSeq[A]
Implicit
This member is added by an implicit conversion from TreeSet[A] toIterableOnceExtensionMethods[A] performed by method iterableOnceExtensionMethods in scala.collection.IterableOnce.
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:
(treeSet: IterableOnceExtensionMethods[A]).toIndexedSeq
Definition Classes
IterableOnceExtensionMethods
Annotations
@deprecated
Deprecated
(Since version 2.13.0) Use .iterator.toIndexedSeq instead
final def toIterable: collection.Iterable[A]
Implicit
This member is added by an implicit conversion from TreeSet[A] toIterableOnceExtensionMethods[A] performed by method iterableOnceExtensionMethods in scala.collection.IterableOnce.
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:
(treeSet: IterableOnceExtensionMethods[A]).toIterable
Definition Classes
IterableOnceExtensionMethods
Annotations
@deprecated @inline()
Deprecated
(Since version 2.13.0) Use .iterator.to(Iterable) instead
final def toIterable: TreeSet.this.type
returns
This collection as an Iterable[A]. No new collection will be built if this is already an Iterable[A].
Definition Classes
Iterable → IterableOps
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
def toIterator: Iterator[A]
Implicit
This member is added by an implicit conversion from TreeSet[A] toIterableOnceExtensionMethods[A] performed by method iterableOnceExtensionMethods in scala.collection.IterableOnce.
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:
(treeSet: IterableOnceExtensionMethods[A]).toIterator
Definition Classes
IterableOnceExtensionMethods
Annotations
@deprecated @inline()
Deprecated
(Since version 2.13.0) Use .iterator instead
final def toIterator: Iterator[A]
Definition Classes
IterableOnceOps
Annotations
@deprecated @inline()
Deprecated
(Since version 2.13.0) Use .iterator instead of .toIterator
def toList: List[A]
Implicit
This member is added by an implicit conversion from TreeSet[A] toIterableOnceExtensionMethods[A] performed by method iterableOnceExtensionMethods in scala.collection.IterableOnce.
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:
(treeSet: IterableOnceExtensionMethods[A]).toList
Definition Classes
IterableOnceExtensionMethods
Annotations
@deprecated
Deprecated
(Since version 2.13.0) Use .iterator.to(List) instead
def toMap[K, V](implicit ev: <:<[A, (K, V)]): Map[K, V]
Implicit
This member is added by an implicit conversion from TreeSet[A] toIterableOnceExtensionMethods[A] performed by method iterableOnceExtensionMethods in scala.collection.IterableOnce.
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:
(treeSet: IterableOnceExtensionMethods[A]).toMap(ev)
Definition Classes
IterableOnceExtensionMethods
Annotations
@deprecated
Deprecated
(Since version 2.13.0) Use .iterator.to(Map) instead
def toSeq: Seq[A]
Implicit
This member is added by an implicit conversion from TreeSet[A] toIterableOnceExtensionMethods[A] performed by method iterableOnceExtensionMethods in scala.collection.IterableOnce.
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:
(treeSet: IterableOnceExtensionMethods[A]).toSeq
Definition Classes
IterableOnceExtensionMethods
Annotations
@deprecated @inline()
Deprecated
(Since version 2.13.0) Use .iterator.to(Seq) instead
def toSet[B >: A]: Set[B]
Implicit
This member is added by an implicit conversion from TreeSet[A] toIterableOnceExtensionMethods[A] performed by method iterableOnceExtensionMethods in scala.collection.IterableOnce.
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:
(treeSet: IterableOnceExtensionMethods[A]).toSet
Definition Classes
IterableOnceExtensionMethods
Annotations
@deprecated @inline()
Deprecated
(Since version 2.13.0) Use .iterator.to(Set) instead
def toStream: Stream[A]
Implicit
This member is added by an implicit conversion from TreeSet[A] toIterableOnceExtensionMethods[A] performed by method iterableOnceExtensionMethods in scala.collection.IterableOnce.
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:
(treeSet: IterableOnceExtensionMethods[A]).toStream
Definition Classes
IterableOnceExtensionMethods
Annotations
@deprecated @inline()
Deprecated
(Since version 2.13.0) Use .iterator.to(LazyList) instead
final def toStream: Stream[A]
Definition Classes
IterableOnceOps
Annotations
@deprecated @inline()
Deprecated
(Since version 2.13.0) Use .to(LazyList) instead of .toStream
final def toTraversable: collection.Traversable[A]
Implicit
This member is added by an implicit conversion from TreeSet[A] toIterableOnceExtensionMethods[A] performed by method iterableOnceExtensionMethods in scala.collection.IterableOnce.
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:
(treeSet: IterableOnceExtensionMethods[A]).toTraversable
Definition Classes
IterableOnceExtensionMethods
Annotations
@deprecated @inline()
Deprecated
(Since version 2.13.0) Use .iterator.to(Iterable) instead
final def toTraversable: collection.Traversable[A]
Converts this immutable tree set to an unspecified Iterable.
Converts this immutable tree set to an unspecified Iterable. Will return the same collection if this instance is already Iterable.
returns
An Iterable containing all elements of this immutable tree set.
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
def toVector: Vector[A]
Implicit
This member is added by an implicit conversion from TreeSet[A] toIterableOnceExtensionMethods[A] performed by method iterableOnceExtensionMethods in scala.collection.IterableOnce.
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:
(treeSet: IterableOnceExtensionMethods[A]).toVector
Definition Classes
IterableOnceExtensionMethods
Annotations
@deprecated @inline()
Deprecated
(Since version 2.13.0) Use .iterator.to(Vector) instead
final def until(until: A): TreeSet[A]
Creates a ranged projection of this collection with no lower-bound.
Creates a ranged projection of this collection with no lower-bound.
until
The upper-bound (exclusive) of the ranged projection.
Definition Classes
SortedOps
Annotations
@deprecated
Deprecated
(Since version 2.13.0) Use rangeUntil
def view(from: Int, until: Int): View[A]
A view over a slice of the elements of this collection.
A view over a slice of the elements of this collection.
Definition Classes
IterableOps
Annotations
@deprecated
Deprecated
(Since version 2.13.0) Use .view.slice(from, until) instead of .view(from, until)
def withFilter(f: (A) => Boolean): Iterator[A]
Implicit
This member is added by an implicit conversion from TreeSet[A] toIterableOnceExtensionMethods[A] performed by method iterableOnceExtensionMethods in scala.collection.IterableOnce.
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:
(treeSet: IterableOnceExtensionMethods[A]).withFilter(f)
Definition Classes
IterableOnceExtensionMethods
Annotations
@deprecated
Deprecated
(Since version 2.13.0) Use .iterator.withFilter(...) instead
def →[B](y: B): (TreeSet[A], B)
Implicit
This member is added by an implicit conversion from TreeSet[A] toArrowAssoc[TreeSet[A]] 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 DefaultSerializable

Inherited from java.io.Serializable

Inherited from StrictOptimizedSortedSetOps[A, TreeSet, TreeSet[A]]

Inherited from StrictOptimizedSetOps[A, Set, TreeSet[A]]

Inherited from collection.StrictOptimizedSortedSetOps[A, TreeSet, TreeSet[A]]

Packages

Package structure

Automatic imports

TreeSet

Companion object TreeSet

final class TreeSet[A] extends AbstractSet[A] with SortedSet[A] with SortedSetOps[A, TreeSet, TreeSet[A]] with StrictOptimizedSortedSetOps[A, TreeSet, TreeSet[A]] with SortedSetFactoryDefaults[A, TreeSet, Set] with DefaultSerializable

Instance Constructors

Value Members

Shadowed Implicit Value Members

Deprecated Value Members

Inherited from DefaultSerializable

Inherited from java.io.Serializable

Inherited from StrictOptimizedSortedSetOps[A, TreeSet, TreeSet[A]]

Inherited from StrictOptimizedSetOps[A, Set, TreeSet[A]]

Inherited from collection.StrictOptimizedSortedSetOps[A, TreeSet, TreeSet[A]]

Inherited from collection.StrictOptimizedSetOps[A, [_]Set[_], TreeSet[A]]

Inherited from StrictOptimizedIterableOps[A, [_]Set[_], TreeSet[A]]

Inherited from SortedSet[A]

Inherited from SortedSetOps[A, [X]TreeSet[X], TreeSet[A]]

Inherited from collection.SortedSet[A]

Inherited from SortedSetFactoryDefaults[A, [X]TreeSet[X], [x]Set[x]]

Inherited from collection.SortedSetOps[A, [X]TreeSet[X], TreeSet[A]]

Inherited from SortedOps[A, TreeSet[A]]

Inherited from AbstractSet[A]

Inherited from Set[A]

Inherited from SetOps[A, Set, TreeSet[A]]

Inherited from Iterable[A]

Inherited from collection.AbstractSet[A]

Inherited from collection.Set[A]

Inherited from Equals

Inherited from collection.SetOps[A, [_]Set[_], TreeSet[A]]

Inherited from (A) => Boolean

Inherited from AbstractIterable[A]

Inherited from collection.Iterable[A]

Inherited from IterableFactoryDefaults[A, [x]Set[x]]

Inherited from IterableOps[A, [_]Set[_], TreeSet[A]]

Inherited from IterableOnceOps[A, [_]Set[_], TreeSet[A]]

Inherited from IterableOnce[A]

Inherited from AnyRef

Inherited from Any

Inherited by implicit conversion iterableOnceExtensionMethods fromTreeSet[A] to IterableOnceExtensionMethods[A]

Inherited by implicit conversion any2stringadd fromTreeSet[A] to any2stringadd[TreeSet[A]]

Inherited by implicit conversion StringFormat fromTreeSet[A] to StringFormat[TreeSet[A]]

Inherited by implicit conversion Ensuring fromTreeSet[A] to Ensuring[TreeSet[A]]

Inherited by implicit conversion ArrowAssoc fromTreeSet[A] to ArrowAssoc[TreeSet[A]]

Ungrouped

TreeSet