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#ifndef SRC_TINT_UTILS_MEMORY_ALIGNED_STORAGE_H_
#define SRC_TINT_UTILS_MEMORY_ALIGNED_STORAGE_H_

#include <cstddef>

#include "src/tint/utils/macros/compiler.h"
#include "src/tint/utils/memory/bitcast.h"

TINT_BEGIN_DISABLE_WARNING(UNSAFE_BUFFER_USAGE);

namespace tint {

/// A structure that has the same size and alignment as Entry.
/// Replacement for std::aligned_storage as this is broken on earlier versions of MSVC.
template <typename T>
struct alignas(alignof(T)) AlignedStorage {
    /// Byte array of length sizeof(T)
    std::byte data[sizeof(T)];

    /// @returns a pointer to aligned storage, reinterpreted as T&
    T& Get() { return *Bitcast<T*>(&data[0]); }

    /// @returns a pointer to aligned storage, reinterpreted as T&
    const T& Get() const { return *Bitcast<const T*>(&data[0]); }
};

}  // namespace tint

TINT_END_DISABLE_WARNING(UNSAFE_BUFFER_USAGE);

#endif  // SRC_TINT_UTILS_MEMORY_ALIGNED_STORAGE_H_