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std::swap(std::map)

template< class Key, class T, class Compare, class Alloc >
void swap( map<Key,T,Compare,Alloc>& lhs, 
           map<Key,T,Compare,Alloc>& rhs );

Specializes the std::swap algorithm for std::map. 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

swap	swaps the contents (public member function)

Links:

http://en.cppreference.com/w/cpp/container/map/swap2

doc_CPP

2016-10-11 10:07:11

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