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std::swap(std::unordered_map)

From cppreference.com
template< class Key, class T, class Hash, class KeyEqual, class Alloc >

void swap( unordered_map<Key,T,Hash,KeyEqual,Alloc>& lhs,

           unordered_map<Key,T,Hash,KeyEqual,Alloc>& rhs );
(since C++11)

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

Contents

[edit] Parameters

lhs, rhs - containers whose contents to swap

[edit] Return value

(none)

[edit] Complexity

Constant.

Exceptions

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

[edit] See also

swaps the contents
(public member function) [edit]