edu.rice.cs.plt.collect
Class EmptySet<E>

java.lang.Object
  edu.rice.cs.plt.collect.EmptyCollection<E>
      edu.rice.cs.plt.collect.EmptySet<E>

All Implemented Interfaces:

PredicateSet<E>, SizedIterable<E>, Predicate<java.lang.Object>, java.io.Serializable, java.lang.Iterable<E>, java.util.Collection<E>, java.util.Set<E>

public class EmptySet<E>
extends EmptyCollection<E>
implements PredicateSet<E>, java.io.Serializable

An immutable empty PredicateSet.

See Also:

Serialized Form

Field Summary

static EmptySet<java.lang.Object>

INSTANCE

Method Summary

boolean	equals(java.lang.Object o)
int	hashCode()
static <T> EmptySet<T>	make() Return a singleton, cast to the appropriate type.

Methods inherited from class edu.rice.cs.plt.collect.EmptyCollection

add, addAll, clear, contains, containsAll, hasFixedSize, isEmpty, isInfinite, isStatic, iterator, remove, removeAll, retainAll, size, size, toArray, toArray, toString

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Methods inherited from interface java.util.Set

add, addAll, clear, contains, containsAll, isEmpty, iterator, remove, removeAll, retainAll, size, toArray, toArray

Methods inherited from interface edu.rice.cs.plt.lambda.Predicate

contains

Methods inherited from interface edu.rice.cs.plt.iter.SizedIterable

hasFixedSize, isEmpty, isInfinite, isStatic, size, size

Field Detail

INSTANCE

public static final EmptySet<java.lang.Object> INSTANCE

Method Detail

equals

public boolean equals(java.lang.Object o)

Specified by:

equals in interface java.util.Collection<E>

Specified by:

equals in interface java.util.Set<E>

Specified by:

equals in class EmptyCollection<E>

hashCode

public int hashCode()

Specified by:

hashCode in interface java.util.Collection<E>

Specified by:

hashCode in interface java.util.Set<E>

Specified by:

hashCode in class EmptyCollection<E>

make

public static <T> EmptySet<T> make()

Return a singleton, cast to the appropriate type.