Defined in header <utility> | ||
|---|---|---|
| (1) | ||
template< class T1, class T2 > void swap( std::pair<T1,T2>& x, std::pair<T1,T2>& y ) noexcept(/* see below */); | (since C++11) (until C++20) | |
template< class T1, class T2 >
constexpr void swap( std::pair<T1,T2>& x, std::pair<T1,T2>& y )
noexcept(/* see below */);
| (since C++20) | |
template< class T1, class T2 >
constexpr void swap( const std::pair<T1,T2>& x, const std::pair<T1,T2>& y )
noexcept(/* see below */);
| (2) | (since C++23) |
Swaps the contents of x and y. Equivalent to x.swap(y).
1) This overload participates in overload resolution only if std::is_swappable_v<first_type> && std::is_swappable_v<second_type> is true. 2) This overload participates in overload resolution only if std::is_swappable_v<const first_type> && std::is_swappable_v<const second_type> is true. | (since C++17) |
| x, y | - | pairs whose contents to swap |
(none).
noexcept specification: noexcept(noexcept(x.swap(y)))| swaps the values of two objects (function template) |
|
|
(C++11) | specializes the std::swap algorithm (function template) |
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