Check if a class has a member function of a given signature

Question

I\'m asking for a template trick to detect if a class has a specific member function of a given signature.

The problem is similar to the one cited here http://www.go

Answer 1

You can use std::is_member_function_pointer

class A {
   public:
     void foo() {};
}

 bool test = std::is_member_function_pointer::value;