Standard C++ Library Reference ISO/IEC (VERSION3)

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<hash_set>
Include the STL standard header <hash_set> to define the container template classes
hash_set and hash_multiset, and their supporting templates.
namespace std {
template<class Key, class Tr, class Alloc>
class hash_set;
template<class Key, class Tr, class Alloc>
class hash_multiset;
// TEMPLATE FUNCTIONS
template<class Key, class Tr, class Alloc>
bool operator==(
const hash_set<Key, Tr, Alloc>& left,
const hash_set<Key, Tr, Alloc>& right);
template<class Key, class Tr, class Alloc>
bool operator==(
const hash_multiset<Key, Tr, Alloc>& left,
const hash_multiset<Key, Tr, Alloc>& right);
template<class Key, class Tr, class Alloc>
bool operator!=(
const hash_set<Key, Tr, Alloc>& left,
const hash_set<Key, Tr, Alloc>& right);
template<class Key, class Tr, class Alloc>
bool operator!=(
const hash_multiset<Key, Tr, Alloc>& left,
const hash_multiset<Key, Tr, Alloc>& right);
template<class Key, class Tr, class Alloc>
bool operator<(
const hash_set<Key, Tr, Alloc>& left,
const hash_set<Key, Tr, Alloc>& right);
template<class Key, class Tr, class Alloc>
bool operator<(
const hash_multiset<Key, Tr, Alloc>& left,
const hash_multiset<Key, Tr, Alloc>& right);
template<class Key, class Tr, class Alloc>
bool operator>(
const hash_set<Key, Tr, Alloc>& left,