template< class R, class... Args > void swap( function<R(Args...)> &lhs, function<R(Args...)> &rhs ); |
Overloads the std::swap algorithm for std::function. Exchanges the state of lhs with that of rhs. Effectively calls lhs.swap(rhs).
| lhs, rhs | - | polymorphic function wrappers whose states to swap |
(none).
| (none) | (until C++17) |
noexcept specification: noexcept | (since C++17) |
| swaps the contents (public member function) |
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