[func.wrap.func.alg] (original) (raw)
20 General utilities library [utilities]
20.14 Function objects [function.objects]
20.14.17 Polymorphic function wrappers [func.wrap]
20.14.17.3 Class template function [func.wrap.func]
20.14.17.3.8 Specialized algorithms [func.wrap.func.alg]
template<class R, class... ArgTypes> void swap(function<R(ArgTypes...)>& f1, function<R(ArgTypes...)>& f2) noexcept;
Effects: As if by: f1.swap(f2);