38 lines
1.6 KiB
C++
38 lines
1.6 KiB
C++
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#pragma once
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#ifndef __FILE_Detail_CP_CBool_Hpp
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#define __FILE_Detail_CP_CBool_Hpp
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#define Operator(name,operator,closer)\
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template<typename First, typename Second> bool name(const First& first, const Second& second) { return closer(first) operator closer(second); }\
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template<typename First, typename... Args> bool name(const First& first, const Args&... args) { return closer(first) operator name(args...);}
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#define TrueCloser(x) (!!x)
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Operator(And, &&, TrueCloser);
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Operator(Or, || , TrueCloser);
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#undef Operator
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#undef TrueCloser
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namespace Internal
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{
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template<bool First, bool... Value> class CAnd_t;
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template<bool First, bool... Value> class COr_t;
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template<> class CAnd_t<true> : public std::true_type {};
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template<> class CAnd_t<false> : public std::false_type {};
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template<bool... Value> class CAnd_t<true, Value...> : public CAnd_t<Value...> {};
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template<bool... Value> class CAnd_t<false, Value...> : public std::false_type {};
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template<> class COr_t<true> : public std::true_type {};
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template<> class COr_t<false> : public std::false_type {};
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template<bool... Value> class COr_t<true, Value...> : public std::true_type {};
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template<bool... Value> class COr_t<false, Value...> : public COr_t<Value...> {};
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}
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template<bool First, bool... Value> constexpr bool CAnd = Internal::CAnd_t<First, Value...>::value;
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template<bool First, bool... Value> constexpr bool COr = Internal::COr_t<First, Value...>::value;
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template<bool First, bool... Value> constexpr bool CXor = CAnd<First, Value...> != COr<First, Value...>;
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template<bool Value> constexpr bool CNot = false == Value;
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#endif // !__FILE_Detail_CP_CBool_Hpp
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