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std::swap(std::unordered_multiset) 

template< class Key, class Hash, class KeyEqual, class Alloc >
void swap( unordered_multiset<Key,Hash,KeyEqual,Alloc>& lhs, 
           unordered_multiset<Key,Hash,KeyEqual,Alloc>& rhs );
 (since C++11)
(until C++17) 
template< class Key, class Hash, class KeyEqual, class Alloc >
void swap( unordered_multiset<Key,Hash,KeyEqual,Alloc>& lhs, 
           unordered_multiset<Key,Hash,KeyEqual,Alloc>& rhs ) noexcept(/* see below */);
 (since C++17)

Specializes the std::swap algorithm for std::unordered_multiset. Swaps the contents of lhs and rhs. Calls lhs.swap(rhs).

Parameters

lhs, rhs - containers whose contents to swap

Return value

(none).

Complexity

Constant.

Exceptions

noexcept specification:
noexcept(noexcept(lhs.swap(rhs)))
 (since C++17)

See also

swaps the contents
(public member function)

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