forwarder.cpp

#include <iostream>

#include "forwarder.hpp"

struct S
{
  void f() const noexcept
  {
    std::cout << "Hello world!" << std::endl;
  }
};

int main()
{
  S const s;

  gnr::forwarder<void(S const&)> f(&S::f);

  f(s);

  gnr::forwarder<void(S const*)> g(&S::f);

  g(&s);

  gnr::forwarder<void()> h([&]() { s.f(); });

  h();

  return 0;
}