cpp-game-engine/util/identity.hpp

//
//  identity.hpp
//  gameutils
//
//  Created by Sam Jaffe on 7/5/16.
//

#pragma once

#include <type_traits>

template <typename T, typename ID = unsigned int> class identity {
public:
  ID const id;

private:
  friend T;
  identity(ID _id) : id(std::move(_id)) {}
  identity() = delete;
};