src/tint/utils/memory/aligned_storage.h

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#ifndef SRC_TINT_UTILS_MEMORY_ALIGNED_STORAGE_H_
#define SRC_TINT_UTILS_MEMORY_ALIGNED_STORAGE_H_

#include <array>
#include <cstddef>

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

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::array<std::byte, sizeof(T)> data;

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

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

}  // namespace tint

#endif  // SRC_TINT_UTILS_MEMORY_ALIGNED_STORAGE_H_