com.google.gwt.dev.util.collect

Class IdentitySets

java.lang.Object

com.google.gwt.dev.util.collect.IdentitySets

public class IdentitySets
extends Object

Utility methods for operating on memory-efficient identity sets. All sets of size 0 or 1 are assumed to be immutable. All sets of size greater than 1 are assumed to be mutable.

Constructor Summary

Constructors

Constructor and Description
IdentitySets()

Method Summary

Modifier and Type	Method and Description
static <T> Set<T>	add(Set<T> set, T toAdd)
static <T> Set<T>	create()
static <T> Set<T>	create(T item)
static <T> Set<T>	normalize(Set<T> set)
static <T> Set<T>	remove(Set<T> set, T toRemove)

Methods inherited from class java.lang.Object

equals, finalize, getClass, hashCode, toString

Constructor Detail

IdentitySets

public IdentitySets()

Method Detail

add

public static <T> Set<T> add(Set<T> set,
                             T toAdd)

create

public static <T> Set<T> create()

create

public static <T> Set<T> create(T item)

normalize

public static <T> Set<T> normalize(Set<T> set)

remove

public static <T> Set<T> remove(Set<T> set,
                                T toRemove)