TypeUtils.h

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/*
 * TypeUtils.h
 *
 *  Created on: 7 Feb 2022
 *      Author: Valerio Formato
 */

#ifndef HERD_TYPEUTILS_H_
#define HERD_TYPEUTILS_H_

#include <type_traits>

namespace Herd {

template <class... Args> class Param {
public:
  template <class R> static R Func(R (*)(Args...));
  // non const member function overload
  template <class R, class C> static R Func(R (C::*)(Args...));
  // const member function overload
  template <class R, class C> static R Func(R (C::*)(Args...) const);
};

#define ReturnTypeOf(f, ...) decltype(Param<__VA_ARGS__>::Func(f))

} // namespace Herd

#endif