/*
 * utility_staticpointer.hpp
 *
 *  Created on: Jun 8, 2021
 *      Author: erki
 */

#ifndef SKULLC_UTILITY_STATICPOINTER_HPP_
#define SKULLC_UTILITY_STATICPOINTER_HPP_

#include <utility>

namespace Utility
{

template<typename T>
struct StaticPointer
{
  using value_type = T;

  alignas(value_type) unsigned char storage[sizeof(value_type)];

  template<class... Args>
  value_type& setup(Args&&... args)
  {
    initialized_ = true;
    return *(new (storage) value_type(std::forward<Args>(args)...));
  }

  value_type& operator*() const
  {
    return reinterpret_cast<T*>(storage);
  }

  value_type* operator->() const noexcept
  {
    return reinterpret_cast<T*>(storage);
  }

  constexpr explicit operator bool() const
  {
    return isInitialized();
  }

  constexpr bool isInitialized() const
  {
    return initialized_;
  }

private:
  bool initialized_ = false;
};

}// namespace Utility


#endif /* SKULLC_UTILITY_STATICPOINTER_HPP_ */