std::swap(std::function)

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< cpp‎ | utility‎ | functional‎ | function
 
 
 
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(until C++17)
(until C++17)(until C++17)(until C++17)(until C++17)
(until C++20)
(until C++20)
 
 
template< class R, class... Args >
void swap( function<R(Args...)> &lhs, function<R(Args...)> &rhs );
(since C++11)
(until C++17)
template< class R, class... Args >
void swap( function<R(Args...)> &lhs, function<R(Args...)> &rhs ) noexcept;
(since C++17)

Overloads the std::swap algorithm for std::function. Exchanges the state of lhs with that of rhs. Effectively calls lhs.swap(rhs).

Parameters

lhs, rhs - polymorphic function wrappers whose states to swap

Return value

(none)

Example

See also

swaps the contents
(public member function)