refactor(templates): remove the predefined functors, Lambda is a better choice
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@ -1158,88 +1158,13 @@ void TestFunction()
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}
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{
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TFunction<bool(bool)> Identity = TIdentity<>();
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TFunction<bool(bool)> Identity = [](bool In) { return In; };
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TFunction<bool(bool)> NotIdentity = NotFn(Identity);
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always_check(Identity(true));
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always_check(NotIdentity(false));
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}
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{
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always_check(TPromote <int32>()(4 ) == 4);
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always_check(TNegate <int32>()(4 ) == -4);
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always_check(TPlus <int32>()(4, 2) == 6);
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always_check(TMinus <int32>()(4, 2) == 2);
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always_check(TMultiplies<int32>()(4, 2) == 8);
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always_check(TDivides <int32>()(4, 2) == 2);
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always_check(TModulus <int32>()(4, 2) == 0);
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always_check(TBitNot<int32>()(4 ) == -5);
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always_check(TBitAnd<int32>()(4, 2) == 0);
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always_check(TBitOr <int32>()(4, 2) == 6);
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always_check(TBitXor<int32>()(4, 2) == 6);
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always_check(TBitLsh<int32>()(4, 2) == 16);
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always_check(TBitRsh<int32>()(4, 2) == 1);
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always_check(TLogicalAnd<int32>()(4, 2) == true);
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always_check(TLogicalOr <int32>()(4, 2) == true);
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always_check(TLogicalNot<int32>()(4 ) == false);
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always_check(TEqualTo <int32>()(4, 2) == false);
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always_check(TNotEqualTo <int32>()(4, 2) == true);
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always_check(TGreater <int32>()(4, 2) == true);
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always_check(TLess <int32>()(4, 2) == false);
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always_check(TGreaterEqual<int32>()(4, 2) == true);
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always_check(TLessEqual <int32>()(4, 2) == false);
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}
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{
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TFunction<int32(int32, int32)> TempA = TPlus <>();
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TFunction<int32(int32, int32)> TempB = TMinus <>();
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TFunction<int32(int32, int32)> TempC = TMultiplies<>();
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TFunction<int32(int32, int32)> TempD = TDivides <>();
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TFunction<int32(int32, int32)> TempE = TModulus <>();
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TFunction<int32(int32 )> TempF = TNegate <>();
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always_check(TempA(4, 2) == 6);
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always_check(TempB(4, 2) == 2);
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always_check(TempC(4, 2) == 8);
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always_check(TempD(4, 2) == 2);
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always_check(TempE(4, 2) == 0);
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always_check(TempF(4 ) == -4);
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TFunction<bool(int32, int32)> TempG = TEqualTo <>();
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TFunction<bool(int32, int32)> TempH = TNotEqualTo <>();
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TFunction<bool(int32, int32)> TempI = TGreater <>();
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TFunction<bool(int32, int32)> TempJ = TLess <>();
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TFunction<bool(int32, int32)> TempK = TGreaterEqual<>();
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TFunction<bool(int32, int32)> TempL = TLessEqual <>();
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always_check(TempG(4, 2) == false);
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always_check(TempH(4, 2) == true);
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always_check(TempI(4, 2) == true);
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always_check(TempJ(4, 2) == false);
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always_check(TempK(4, 2) == true);
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always_check(TempL(4, 2) == false);
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TFunction<bool(int32, int32)> TempM = TLogicalAnd<>();
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TFunction<bool(int32, int32)> TempN = TLogicalOr <>();
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TFunction<bool(int32 )> TempO = TLogicalNot<>();
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always_check(TempM(4, 2) == true);
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always_check(TempN(4, 2) == true);
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always_check(TempO(4 ) == false);
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TFunction<int32(int32, int32)> TempP = TBitAnd<>();
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TFunction<int32(int32, int32)> TempQ = TBitOr <>();
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TFunction<int32(int32, int32)> TempR = TBitXor<>();
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TFunction<int32(int32 )> TempS = TBitNot<>();
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always_check(TempP(4, 2) == 0);
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always_check(TempQ(4, 2) == 6);
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always_check(TempR(4, 2) == 6);
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always_check(TempS(4 ) == -5);
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}
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}
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void TestAtomic()
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@ -403,29 +403,6 @@ constexpr bool operator==(const TUniqueFunction<F>& LHS, nullptr_t)
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static_assert(sizeof(TFunction<void()>) == 64, "The byte size of TFunction is unexpected");
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static_assert(sizeof(TUniqueFunction<void()>) == 64, "The byte size of TUniqueFunction is unexpected");
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template <typename T = void>
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struct TIdentity
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{
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using Type = T;
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constexpr T&& operator()(T&& InValue) const
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{
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return Forward<T>(InValue);
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}
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};
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template <>
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struct TIdentity<void>
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{
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using Type = void;
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template<typename T>
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constexpr T&& operator()(T&& InValue) const
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{
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return Forward<T>(InValue);
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}
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};
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NAMESPACE_PRIVATE_BEGIN
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template <typename F>
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@ -476,136 +453,6 @@ constexpr NAMESPACE_PRIVATE::NotFunctionType<typename TDecay<F>::Type> NotFn(F&&
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return NAMESPACE_PRIVATE::NotFunctionType<typename TDecay<F>::Type>(Forward<F>(Func));
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}
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#define FUNCTOR_UNARY_OPERATOR_IMPL(Name, Operator, ConceptT, ConceptU) \
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template <typename T = void> requires (CSameAs<T, void> || ConceptT) \
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struct Name \
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{ \
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constexpr auto operator()(const T& InValue) const \
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-> decltype(Operator InValue) \
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{ \
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return Operator InValue; \
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} \
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}; \
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\
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template <> \
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struct Name<void> \
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{ \
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template <typename U> requires ConceptU \
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constexpr auto operator()(U&& InValue) const \
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-> decltype(Operator Forward<U>(InValue)) \
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{ \
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return Operator Forward<U>(InValue); \
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} \
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}
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#define FUNCTOR_BINARY_OPERATOR_IMPL(Name, Operator, ConceptT, ConceptTU) \
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template <typename T = void> requires (CSameAs<T, void> || ConceptT) \
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struct Name \
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{ \
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constexpr auto operator()(const T& LHS, const T& RHS) const \
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-> decltype(LHS Operator RHS) \
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{ \
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return LHS Operator RHS; \
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} \
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}; \
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\
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template <> \
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struct Name<void> \
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{ \
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template <typename T, typename U> requires ConceptTU \
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constexpr auto operator()(T&& LHS, U&& RHS) const \
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-> decltype(Forward<T>(LHS) Operator Forward<U>(RHS)) \
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{ \
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return Forward<T>(LHS) Operator Forward<U>(RHS); \
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} \
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}
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#define FUNCTOR_UNARY_OPERATOR_A_IMPL(Name, Operator) \
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FUNCTOR_UNARY_OPERATOR_IMPL \
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( \
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Name, Operator, \
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(requires(const T& InValue) { { Operator InValue } -> CConvertibleTo<T>; }), \
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(requires(U&& InValue) { Operator Forward<U>(InValue); }) \
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)
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#define FUNCTOR_BINARY_OPERATOR_A_IMPL(Name, Operator) \
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FUNCTOR_BINARY_OPERATOR_IMPL \
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( \
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Name, Operator, \
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(requires(const T& LHS, const T& RHS) { { LHS Operator RHS } -> CConvertibleTo<T>; }), \
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(requires(T&& LHS, U&& RHS) { Forward<T>(LHS) Operator Forward<U>(RHS); }) \
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)
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#define FUNCTOR_UNARY_OPERATOR_B_IMPL(Name, Operator) \
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FUNCTOR_UNARY_OPERATOR_IMPL \
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( \
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Name, Operator, \
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(requires(const T& InValue) { { Operator InValue } -> CBooleanTestable; }), \
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(requires(U&& InValue) { { Operator Forward<U>(InValue) } -> CBooleanTestable; }) \
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)
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#define FUNCTOR_BINARY_OPERATOR_B_IMPL(Name, Operator) \
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FUNCTOR_BINARY_OPERATOR_IMPL \
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( \
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Name, Operator, \
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(requires(const T& LHS, const T& RHS) { { LHS Operator RHS } -> CBooleanTestable; }), \
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(requires(T&& LHS, U&& RHS) { { Forward<T>(LHS) Operator Forward<U>(RHS) } -> CBooleanTestable; }) \
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)
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#define FUNCTOR_BINARY_OPERATOR_C_IMPL(Name, Operator) \
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FUNCTOR_BINARY_OPERATOR_IMPL \
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( \
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Name, Operator, \
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(CEqualityComparable<T>), \
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(CEqualityComparableWith<T, U>) \
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)
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#define FUNCTOR_BINARY_OPERATOR_D_IMPL(Name, Operator) \
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FUNCTOR_BINARY_OPERATOR_IMPL \
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( \
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Name, Operator, \
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(CTotallyOrdered<T>), \
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(CTotallyOrderedWith<T, U>) \
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)
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FUNCTOR_UNARY_OPERATOR_A_IMPL (TPromote, +);
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FUNCTOR_UNARY_OPERATOR_A_IMPL (TNegate, -);
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FUNCTOR_BINARY_OPERATOR_A_IMPL(TPlus, +);
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FUNCTOR_BINARY_OPERATOR_A_IMPL(TMinus, -);
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FUNCTOR_BINARY_OPERATOR_A_IMPL(TMultiplies, *);
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FUNCTOR_BINARY_OPERATOR_A_IMPL(TDivides, /);
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FUNCTOR_BINARY_OPERATOR_A_IMPL(TModulus, %);
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FUNCTOR_UNARY_OPERATOR_A_IMPL (TBitNot, ~ );
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FUNCTOR_BINARY_OPERATOR_A_IMPL(TBitAnd, & );
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FUNCTOR_BINARY_OPERATOR_A_IMPL(TBitOr, | );
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FUNCTOR_BINARY_OPERATOR_A_IMPL(TBitXor, ^ );
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FUNCTOR_BINARY_OPERATOR_A_IMPL(TBitLsh, <<);
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FUNCTOR_BINARY_OPERATOR_A_IMPL(TBitRsh, >>);
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FUNCTOR_BINARY_OPERATOR_B_IMPL(TLogicalAnd, &&);
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FUNCTOR_BINARY_OPERATOR_B_IMPL(TLogicalOr, ||);
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FUNCTOR_UNARY_OPERATOR_B_IMPL (TLogicalNot, ! );
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FUNCTOR_BINARY_OPERATOR_C_IMPL(TEqualTo, ==);
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FUNCTOR_BINARY_OPERATOR_C_IMPL(TNotEqualTo, !=);
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FUNCTOR_BINARY_OPERATOR_D_IMPL(TGreater, > );
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FUNCTOR_BINARY_OPERATOR_D_IMPL(TLess, < );
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FUNCTOR_BINARY_OPERATOR_D_IMPL(TGreaterEqual, >=);
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FUNCTOR_BINARY_OPERATOR_D_IMPL(TLessEqual, <=);
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#undef FUNCTOR_BINARY_OPERATOR_D_IMPL
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#undef FUNCTOR_BINARY_OPERATOR_C_IMPL
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#undef FUNCTOR_BINARY_OPERATOR_B_IMPL
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#undef FUNCTOR_UNARY_OPERATOR_B_IMPL
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#undef FUNCTOR_BINARY_OPERATOR_A_IMPL
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#undef FUNCTOR_UNARY_OPERATOR_A_IMPL
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#undef FUNCTOR_BINARY_OPERATOR_IMPL
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#undef FUNCTOR_UNARY_OPERATOR_IMPL
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NAMESPACE_MODULE_END(Utility)
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NAMESPACE_MODULE_END(Redcraft)
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NAMESPACE_REDCRAFT_END
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