raw_data_holder.h

#pragma once
#include "gaia/config/config.h"
 
#include <cinttypes>
 
#include "gaia/mem/data_layout_policy.h"
 
namespace gaia {
  namespace mem {
    namespace detail {
      template <uint32_t Size, uint32_t Alignment>
      struct raw_data_holder {
        static_assert(Size > 0);
 
        GAIA_ALIGNAS(Alignment) uint8_t data[Size];
 
        constexpr operator uint8_t*() noexcept {
          return &data[0];
        }
 
        constexpr operator const uint8_t*() const noexcept {
          return &data[0];
        }
      };
 
      template <uint32_t Size>
      struct raw_data_holder<Size, 0> {
        static_assert(Size > 0);
 
        uint8_t data[Size];
 
        constexpr operator uint8_t*() noexcept {
          return &data[0];
        }
 
        constexpr operator const uint8_t*() const noexcept {
          return &data[0];
        }
      };
    } // namespace detail
 
    template <typename T, uint32_t N>
    using raw_data_holder = detail::raw_data_holder<N, auto_view_policy<T>::Alignment>;
  } // namespace mem
} // namespace gaia