#include <iostream>
#include <type_traits>
 
 
int main() {
   struct dummy {
 
      void one() {}
 
      void two() & {}
 
      void three() && {}
   };
 
   std::cout << std::boolalpha;
   std::cout << std::is_member_function_pointer<decltype(&dummy::one)>::value << std::endl;
   std::cout << std::is_member_function_pointer<decltype(&dummy::two)>::value << std::endl;
   std::cout << std::is_member_function_pointer<decltype(&dummy::three)>::value << std::endl;
}
 

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