std::swap(std::function) (3) Linux Manual Page

std::swap(std::function) – std::swap(std::function)

Synopsis

template <class R, class... Args>
(since C++ 11)

    void swap(function<R(Args...)> &lhs, function<R(Args...)> &rhs);
(until C++ 17)

    template <class R, class... Args>
    (since C++ 17)

        void swap(function<R(Args...)> &lhs, function<R(Args...)> &rhs) noexcept;

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

 This section is incomplete
 Reason: no example

See also

     swaps the contents
swap (public member function)