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Scala 3/scala/scala.collection/scala.collection.mutable/HashSet

HashSet

scala.collection.mutable.HashSet
See theHashSet companion class
object HashSet extends IterableFactory[HashSet]

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

Attributes

Companion
class
Source
HashSet.scala
Graph
Supertypes
trait Pure
trait Serializable
class Object
trait Matchable
class Any
Show all
Self type
HashSet.type

Members list

Value members

Concrete methods

final def defaultInitialCapacity: Int

The default initial capacity for the hash table

The default initial capacity for the hash table

Attributes

Source
HashSet.scala
final def defaultLoadFactor: Double

The default load factor for the hash table

The default load factor for the hash table

Attributes

Source
HashSet.scala
def empty[A]: HashSet[A]

An empty mutable hash set

An empty mutable hash set

Type parameters

A

the type of the mutable hash set's elements

Attributes

Source
HashSet.scala
def from[B](it: IterableOnce[B]^): HashSet[B]

Creates a target mutable hash set from an existing source collection

Creates a target mutable hash set from an existing source collection

Type parameters

A

the type of the collection’s elements

Value parameters

source

Source collection

Attributes

Returns

a new mutable hash set with the elements of source

Source
HashSet.scala
def newBuilder[A]: Builder[A, HashSet[A]]

Type parameters

A

the type of the mutable hash set’s elements

Attributes

Returns

A builder for mutable.HashSet objects.

Source
HashSet.scala
def newBuilder[A](initialCapacity: Int, loadFactor: Double): Builder[A, HashSet[A]]

Attributes

Source
HashSet.scala

Inherited methods

def apply[A](elems: A*): HashSet[A]

Creates a collection with the specified elements.

Creates a collection with the specified elements.

Type parameters

A

the type of the collection's elements

Value parameters

elems

the elements of the created collection

Attributes

Returns

a new collection with elements elems

Inherited from:
IterableFactory
Source
Factory.scala
def concat[A](xss: Iterable[A]*): HashSet[A]

Concatenates all argument collections into a single collection.

Concatenates all argument collections into a single collection.

Value parameters

xss

the collections that are to be concatenated.

Attributes

Returns

the concatenation of all the collections.

Inherited from:
IterableFactory
Source
Factory.scala
def fill[A](n1: Int, n2: Int, n3: Int, n4: Int, n5: Int)(elem: => A): HashSet[HashSet[HashSet[HashSet[HashSet[A]]]]]

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

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

Value parameters

elem

the element computation

n1

the number of elements in the 1st dimension

n2

the number of elements in the 2nd dimension

n3

the number of elements in the 3rd dimension

n4

the number of elements in the 4th dimension

n5

the number of elements in the 5th dimension

Attributes

Returns

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

Inherited from:
IterableFactory
Source
Factory.scala
def fill[A](n1: Int, n2: Int, n3: Int, n4: Int)(elem: => A): HashSet[HashSet[HashSet[HashSet[A]]]]

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

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

Value parameters

elem

the element computation

n1

the number of elements in the 1st dimension

n2

the number of elements in the 2nd dimension

n3

the number of elements in the 3rd dimension

n4

the number of elements in the 4th dimension

Attributes

Returns

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

Inherited from:
IterableFactory
Source
Factory.scala
def fill[A](n1: Int, n2: Int, n3: Int)(elem: => A): HashSet[HashSet[HashSet[A]]]

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

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

Value parameters

elem

the element computation

n1

the number of elements in the 1st dimension

n2

the number of elements in the 2nd dimension

n3

the number of elements in the 3rd dimension

Attributes

Returns

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

Inherited from:
IterableFactory
Source
Factory.scala
def fill[A](n1: Int, n2: Int)(elem: => A): HashSet[HashSet[A]]

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

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

Value parameters

elem

the element computation

n1

the number of elements in the 1st dimension

n2

the number of elements in the 2nd dimension

Attributes

Returns

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

Inherited from:
IterableFactory
Source
Factory.scala
def fill[A](n: Int)(elem: => A): HashSet[A]

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

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

Value parameters

elem

the element computation

n

the number of elements contained in the collection.

Attributes

Returns

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

Inherited from:
IterableFactory
Source
Factory.scala
def iterate[A](start: A, len: Int)(f: A => A): HashSet[A]

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

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

Value parameters

f

the function that's repeatedly applied

len

the number of elements contained in the collection

start

the start value of the collection

Attributes

Returns

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

Inherited from:
IterableFactory
Source
Factory.scala
def range[A : Integral](start: A, end: A, step: A): HashSet[A]

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

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

Value parameters

end

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

start

the start value of the collection

step

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

Attributes

Returns

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

Inherited from:
IterableFactory
Source
Factory.scala
def range[A : Integral](start: A, end: A): HashSet[A]

Produces a collection containing a sequence of increasing of integers.

Produces a collection containing a sequence of increasing of integers.

Value parameters

end

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

start

the first element of the collection

Attributes

Returns

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

Inherited from:
IterableFactory
Source
Factory.scala
def tabulate[A](n1: Int, n2: Int, n3: Int, n4: Int, n5: Int)(f: (Int, Int, Int, Int, Int) => A): HashSet[HashSet[HashSet[HashSet[HashSet[A]]]]]

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

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

Value parameters

f

The function computing element values

n1

the number of elements in the 1st dimension

n2

the number of elements in the 2nd dimension

n3

the number of elements in the 3rd dimension

n4

the number of elements in the 4th dimension

n5

the number of elements in the 5th dimension

Attributes

Returns

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

Inherited from:
IterableFactory
Source
Factory.scala
def tabulate[A](n1: Int, n2: Int, n3: Int, n4: Int)(f: (Int, Int, Int, Int) => A): HashSet[HashSet[HashSet[HashSet[A]]]]

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

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

Value parameters

f

The function computing element values

n1

the number of elements in the 1st dimension

n2

the number of elements in the 2nd dimension

n3

the number of elements in the 3rd dimension

n4

the number of elements in the 4th dimension

Attributes

Returns

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

Inherited from:
IterableFactory
Source
Factory.scala
def tabulate[A](n1: Int, n2: Int, n3: Int)(f: (Int, Int, Int) => A): HashSet[HashSet[HashSet[A]]]

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

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

Value parameters

f

The function computing element values

n1

the number of elements in the 1st dimension

n2

the number of elements in the 2nd dimension

n3

the number of elements in the 3rd dimension

Attributes

Returns

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

Inherited from:
IterableFactory
Source
Factory.scala
def tabulate[A](n1: Int, n2: Int)(f: (Int, Int) => A): HashSet[HashSet[A]]

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

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

Value parameters

f

The function computing element values

n1

the number of elements in the 1st dimension

n2

the number of elements in the 2nd dimension

Attributes

Returns

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

Inherited from:
IterableFactory
Source
Factory.scala
def tabulate[A](n: Int)(f: Int => A): HashSet[A]

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

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

Value parameters

f

The function computing element values

n

The number of elements in the collection

Attributes

Returns

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

Inherited from:
IterableFactory
Source
Factory.scala
def unfold[A, S](init: S)(f: S => Option[(A, S)]): HashSet[A]

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

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

Type parameters

A

Type of the elements

S

Type of the internal state

Value parameters

f

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

init

State initial value

Attributes

Returns

a collection that produces elements using f until f returns None

Inherited from:
IterableFactory
Source
Factory.scala

Implicits

Inherited implicits

implicit def iterableFactory[A]: Factory[A, HashSet[A]]

Attributes

Inherited from:
IterableFactory
Source
Factory.scala
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Copyright (c) 2002-2025, LAMP/EPFL
Copyright (c) 2002-2025, LAMP/EPFL