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/* ========================================

  Copyright (C) 2025, Amlal El Mahrouss, licensed under the Apache 2.0 license.

======================================== */

#ifndef __NE_KIT_DOMAIN_H__
#define __NE_KIT_DOMAIN_H__

#include <NeKit/Config.h>

namespace Kernel {
template <class Type>
struct IsDefined final {
  using ResultType    = Type;
  using ResultTypeRef = Type&;
  using TypeRef       = ResultTypeRef;
  using ConstType     = const Type&;
  using TypePtr       = Type*;

  static constexpr bool kValue = true;
};

template <>
struct IsDefined<nullPtr> final {
  static constexpr bool kValue = false;
};

using NullDomain = IsDefined<nullPtr>;

template <class Type>
using Domain = IsDefined<Type>;
}  // namespace Kernel

#endif  // !__NE_KIT_DOMAIN_H__