< cpp‎ | container‎ | array
void swap( array& other ) noexcept(/* see below */);
(since C++11)
(until C++20)
constexpr void swap( array& other ) noexcept(/* see below */);
(since C++20)

Exchanges the contents of the container with those of other. Does not cause iterators and references to associate with the other container.


other - container to exchange the contents with

Return value



noexcept specification:  
noexcept(noexcept(swap(std::declval<T&>(), std::declval<T&>())))

In the expression above, the identifier swap is looked up in the same manner as the one used by the C++17 std::is_nothrow_swappable trait.

(until C++17)
noexcept specification:  
(since C++17)
For zero-sized arrays,
noexcept specification:  


Linear in size of the container.

Defect reports

The following behavior-changing defect reports were applied retroactively to previously published C++ standards.

DR Applied to Behavior as published Correct behavior
LWG 2456 C++11 the noexcept specification is ill-formed made to work

See also

specializes the std::swap algorithm
(function template)