std::swap(std::pair)
From cppreference.com
Defined in header <utility>
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template< class T1, class T2 > void swap( pair<T1,T2>& x, pair<T1,T2>& y ) noexcept(/* see below */); |
(since C++11) (until C++20) |
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template< class T1, class T2 > constexpr void swap( pair<T1,T2>& x, pair<T1,T2>& y ) noexcept(/* see below */); |
(since C++20) | |
Swaps the contents of x
and y
. Equivalent to x.swap(y).
This function does not participate in overload resolution unless std::is_swappable_v<first_type> && std::is_swappable_v<second_type> is true. |
(since C++17) |
Parameters
x, y | - | pairs whose contents to swap |
Return value
(none)
Exceptions
noexcept specification:
noexcept(noexcept(x.swap(y)))
See also
swaps the values of two objects (function template) |