Scala Library
scala.collection.mutable

class HashSet
[source: scala/collection/mutable/HashSet.scala]
@serializable

class HashSet[A]
extends Set[A] with FlatHashTable[A]
Values and Variables inherited from FlatHashTable
table, tableSize, threshold
Method Summary
def += (elem : A) : Unit
Add a new element to the set.
def -= (elem : A) : Unit
Removes a single element from a set.
override def clear : Unit
Removes all elements from the set. After this operation is completed, the set will be empty.
override def clone : Set[A]
Return a clone of this set.
def contains (elem : A) : Boolean
Checks if this set contains element elem.
Methods inherited from FlatHashTable
loadFactor, loadFactorDenum, initialSize, size, findEntry, containsEntry, addEntry, removeEntry, elements, elemHashCode, improve, index
Methods inherited from Set
update, +=, ++=, ++=, +, +, ++, ++, incl, -=, --=, --=, -, -, --, --, excl, intersect, retain, <<, readOnly
Methods inherited from Set
apply, isEmpty, subsetOf, *, **, equals, hashCode, toArray, stringPrefix
Methods inherited from Collection
toString
Methods inherited from Iterable
concat, ++, map, flatMap, filter, partition, takeWhile, dropWhile, take, drop, foreach, forall, exists, find, findIndexOf, indexOf, foldLeft, foldRight, /:, :\, reduceLeft, reduceRight, copyToBuffer, sameElements, toList, toSeq, toStream, mkString, mkString, mkString, addString, addString, addString, copyToArray, projection, hasDefiniteSize
Methods inherited from Function1
compose, andThen
Methods inherited from AnyRef
getClass, notify, notifyAll, wait, wait, wait, finalize, ==, !=, eq, ne, synchronized
Methods inherited from Any
==, !=, isInstanceOf, asInstanceOf
Method Details
def contains(elem : A) : Boolean
Checks if this set contains element elem.
Parameters
elem - the element to check for membership.
Returns
true iff elem is contained in this set.
def +=(elem : A) : Unit
Add a new element to the set.
Parameters
elem - the element to be added
Overrides
Set.+=
def -=(elem : A) : Unit
Removes a single element from a set.
Parameters
elem - The element to be removed.
Overrides
Set.-=
override def clear : Unit
Removes all elements from the set. After this operation is completed, the set will be empty.
Overrides
Set.clear, FlatHashTable.clear
override def clone : Set[A]
Return a clone of this set.
Returns
a set with the same elements.
Overrides
Set.clone
Scala Library