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<hash_set>

Note Note

This header is obsolete. The alternative is <unordered_set>.

Defines the container template classes hash_set and hash_multiset and their supporting templates.

#include <hash_set>

In Visual C++ .NET 2003, members of the <hash_map> and <hash_set> header files are no longer in the std namespace, but rather have been moved into the stdext namespace. See The stdext Namespace for more information.

Hash_set version

Hash_multiset version

Description

operator!= (hash_set)

operator!= (hash_multiset)

Tests if the hash_set or hash_multiset object on the left side of the operator is not equal to the hash_set or hash_multiset object on the right side.

operator== (hash_set)

operator== (hash_multiset)

Tests if the hash_set or hash_multiset object on the left side of the operator is equal to the hash_set or hash_multiset object on the right side.

Hash_set version

Hash_multiset version

Description

swap (hash_set)

swap (hash_multiset)

Exchanges the elements of two hash_sets or hash_multisets.

hash_compare Class

Describes an object that can be used by any of the hash associative containers — hash_map, hash_multimap, hash_set, or hash_multiset — as a default Traits parameter object to order and hash the elements they contain.

hash_set Class

Used for the storage and fast retrieval of data from a collection in which the values of the elements contained are unique and serve as the key values.

hash_multiset Class

Used for the storage and fast retrieval of data from a collection in which the values of the elements contained are unique and serve as the key values.

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