<boost/unordered/unordered_set.hpp>
Synopsis
Defines boost::unordered_set
,
boost::unordered_multiset
and associated functions and alias templates.
namespace boost { namespace unordered { template<class Key, class Hash = boost::hash<Key>, class Pred = std::equal_to<Key>, class Allocator = std::allocator<Key>> class unordered_set; // Equality Comparisons template<class Key, class Hash, class Pred, class Alloc> bool operator==(const unordered_set<Key, Hash, Pred, Alloc>& x, const unordered_set<Key, Hash, Pred, Alloc>& y); template<class Key, class Hash, class Pred, class Alloc> bool operator!=(const unordered_set<Key, Hash, Pred, Alloc>& x, const unordered_set<Key, Hash, Pred, Alloc>& y); // swap template<class Key, class Hash, class Pred, class Alloc> void swap(unordered_set<Key, Hash, Pred, Alloc>& x, unordered_set<Key, Hash, Pred, Alloc>& y) noexcept(noexcept(x.swap(y))); // Erasure template<class K, class H, class P, class A, class Predicate> typename unordered_set<K, H, P, A>::size_type erase_if(unordered_set<K, H, P, A>& c, Predicate pred); template<class Key, class Hash = boost::hash<Key>, class Pred = std::equal_to<Key>, class Allocator = std::allocator<Key>> class unordered_multiset; // Equality Comparisons template<class Key, class Hash, class Pred, class Alloc> bool operator==(const unordered_multiset<Key, Hash, Pred, Alloc>& x, const unordered_multiset<Key, Hash, Pred, Alloc>& y); template<class Key, class Hash, class Pred, class Alloc> bool operator!=(const unordered_multiset<Key, Hash, Pred, Alloc>& x, const unordered_multiset<Key, Hash, Pred, Alloc>& y); // swap template<class Key, class Hash, class Pred, class Alloc> void swap(unordered_multiset<Key, Hash, Pred, Alloc>& x, unordered_multiset<Key, Hash, Pred, Alloc>& y) noexcept(noexcept(x.swap(y))); // Erasure template<class K, class H, class P, class A, class Predicate> typename unordered_multiset<K, H, P, A>::size_type erase_if(unordered_multiset<K, H, P, A>& c, Predicate pred); // Pmr aliases (C++17 and up) namespace pmr { template<class Key, class Hash = boost::hash<Key>, class Pred = std::equal_to<Key>> using unordered_set = boost::unordered::unordered_set<Key, Hash, Pred, std::pmr::polymorphic_allocator<Key>>; template<class Key, class Hash = boost::hash<Key>, class Pred = std::equal_to<Key>> using unordered_multiset = boost::unordered::unordered_multiset<Key, Hash, Pred, std::pmr::polymorphic_allocator<Key>>; } // namespace pmr } // namespace unordered using unordered::unordered_set; using unordered::unordered_multiset; } // namespace boost