std::swap(std::function)
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) |
© cppreference.com
Licensed under the Creative Commons Attribution-ShareAlike Unported License v3.0.
http://en.cppreference.com/w/cpp/utility/functional/function/swap2