std::swap(std::pair)

From cppreference.com
template< class T1, class T2 >
void swap( pair<T1,T2>& lhs, pair<T1,T2>& rhs );

Swaps the contents of lhs and rhs. Equivalent to lhs.swap(rhs).

Contents

[edit] Parameters

lhs, rhs - pairs whose contents to swap

[edit] Return value

(none)

[edit] Exceptions

noexcept specification:  (since C++11)

noexcept(noexcept(x.swap(y)))

[edit] See also