std::function<R(Args...)>::~function
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std::function 
~function();
 
 (since C++11) 
Destroys the std::function  instance. If the std::function is not empty, its target is destroyed also.
[edit] See also
 
 destroys a 
(public member function of
std::move_only_function object (public member function of
std::move_only_function) [edit]