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/* ========================================
Copyright (C) 2024-2025, Amlal El Mahrouss, licensed under the Apache 2.0 license.
======================================== */
#ifndef __NE_KIT_VETTABLE_H__
#define __NE_KIT_VETTABLE_H__
#include <CompilerKit/CompilerKit.h>
#include <NeKit/Config.h>
#define NE_VETTABLE \
final: \
public \
::Kernel::IVettable
#define NE_NOT_VETTABLE \
final: \
public \
::Kernel::INotVettable
namespace Kernel {
/// @brief Vet interface for objects.
struct IVettable {
explicit IVettable() = default;
virtual ~IVettable() = default;
NE_COPY_DEFAULT(IVettable)
};
template <class Type>
struct Vettable final {
static constexpr bool kValue = false;
};
template <>
struct Vettable<IVettable> final {
static constexpr bool kValue = true;
};
/// @brief Concept version of Vettable.
template <typename Type, typename OnFallback>
concept IsVettable = requires(OnFallback fallback) {
{ Vettable<Type>::kValue ? TrueResult<Type>::kValue : fallback() };
};
template <class Type, typename OnFallback>
concept IsNotVettable = requires(OnFallback fallback) {
{ !Vettable<Type>::kValue ? TrueResult<Type>::kValue : fallback() };
};
} // namespace Kernel
#endif // !__NE_KIT_VETTABLE_H__
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