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feat(templates): add common functors outside STD and the corresponding testing

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This commit is contained in:
_Redstone_c_ 2022-04-10 10:25:42 +08:00
parent bb89dd6509
commit a80860f107
2 changed files with 76 additions and 67 deletions
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23
Redcraft.Utility/Source/Private/Testing/TemplatesTesting.cpp
View File

@ -1165,12 +1165,24 @@ void TestFunction()
}
{
always_check(TPromote <int32>()(4 ) == 4);
always_check(TNegate <int32>()(4 ) == -4);
always_check(TPlus <int32>()(4, 2) == 6);
always_check(TMinus <int32>()(4, 2) == 2);
always_check(TMultiplies<int32>()(4, 2) == 8);
always_check(TDivides <int32>()(4, 2) == 2);
always_check(TModulus <int32>()(4, 2) == 0);
always_check(TNegate <int32>()(4 ) == -4);
always_check(TBitNot<int32>()(4 ) == -5);
always_check(TBitAnd<int32>()(4, 2) == 0);
always_check(TBitOr <int32>()(4, 2) == 6);
always_check(TBitXor<int32>()(4, 2) == 6);
always_check(TBitLsh<int32>()(4, 2) == 16);
always_check(TBitRsh<int32>()(4, 2) == 1);
always_check(TLogicalAnd<int32>()(4, 2) == true);
always_check(TLogicalOr <int32>()(4, 2) == true);
always_check(TLogicalNot<int32>()(4 ) == false);
always_check(TEqualTo <int32>()(4, 2) == false);
always_check(TNotEqualTo <int32>()(4, 2) == true);
@ -1178,15 +1190,6 @@ void TestFunction()
always_check(TLess <int32>()(4, 2) == false);
always_check(TGreaterEqual<int32>()(4, 2) == true);
always_check(TLessEqual <int32>()(4, 2) == false);
always_check(TLogicalAnd<int32>()(4, 2) == true);
always_check(TLogicalOr <int32>()(4, 2) == true);
always_check(TLogicalNot<int32>()(4 ) == false);
always_check(TBitAnd<int32>()(4, 2) == 0);
always_check(TBitOr <int32>()(4, 2) == 6);
always_check(TBitXor<int32>()(4, 2) == 6);
always_check(TBitNot<int32>()(4 ) == -5);
}
{

46
Redcraft.Utility/Source/Public/Templates/Function.h
View File

@ -537,11 +537,13 @@ constexpr NAMESPACE_PRIVATE::NotFunctionType<typename TDecay<F>::Type> NotFn(F&&
return NAMESPACE_PRIVATE::NotFunctionType<typename TDecay<F>::Type>(Forward<F>(Func));
}
#define FUNCTOR_UNARY_OPERATOR_IMPL(Name, Operator, ReturnType, ConceptT, ConceptU) \
#define FUNCTOR_UNARY_OPERATOR_IMPL(Name, Operator, ConceptT, ConceptU) \
template <typename T = void> requires (CSameAs<T, void> || ConceptT) \
struct Name \
{ \
constexpr ReturnType operator()(const T& InValue) const { \
constexpr auto operator()(const T& InValue) const \
-> decltype(Operator InValue) \
{ \
return Operator InValue; \
} \
}; \
@ -557,11 +559,12 @@ constexpr NAMESPACE_PRIVATE::NotFunctionType<typename TDecay<F>::Type> NotFn(F&&
} \
}
#define FUNCTOR_BINARY_OPERATOR_IMPL(Name, Operator, ReturnType, ConceptT, ConceptTU) \
#define FUNCTOR_BINARY_OPERATOR_IMPL(Name, Operator, ConceptT, ConceptTU) \
template <typename T = void> requires (CSameAs<T, void> || ConceptT) \
struct Name \
{ \
constexpr ReturnType operator()(const T& LHS, const T& RHS) const \
constexpr auto operator()(const T& LHS, const T& RHS) const \
-> decltype(LHS Operator RHS) \
{ \
return LHS Operator RHS; \
} \
@ -581,7 +584,7 @@ constexpr NAMESPACE_PRIVATE::NotFunctionType<typename TDecay<F>::Type> NotFn(F&&
#define FUNCTOR_UNARY_OPERATOR_A_IMPL(Name, Operator) \
FUNCTOR_UNARY_OPERATOR_IMPL \
( \
Name, Operator, T, \
Name, Operator, \
(requires(const T& InValue) { { Operator InValue } -> CConvertibleTo<T>; }), \
(requires(U&& InValue) { Operator Forward<U>(InValue); }) \
)
@ -589,7 +592,7 @@ constexpr NAMESPACE_PRIVATE::NotFunctionType<typename TDecay<F>::Type> NotFn(F&&
#define FUNCTOR_BINARY_OPERATOR_A_IMPL(Name, Operator) \
FUNCTOR_BINARY_OPERATOR_IMPL \
( \
Name, Operator, T, \
Name, Operator, \
(requires(const T& LHS, const T& RHS) { { LHS Operator RHS } -> CConvertibleTo<T>; }), \
(requires(T&& LHS, U&& RHS) { Forward<T>(LHS) Operator Forward<U>(RHS); }) \
)
@ -597,7 +600,7 @@ constexpr NAMESPACE_PRIVATE::NotFunctionType<typename TDecay<F>::Type> NotFn(F&&
#define FUNCTOR_UNARY_OPERATOR_B_IMPL(Name, Operator) \
FUNCTOR_UNARY_OPERATOR_IMPL \
( \
Name, Operator, bool, \
Name, Operator, \
(requires(const T& InValue) { { Operator InValue } -> CBooleanTestable; }), \
(requires(U&& InValue) { { Operator Forward<U>(InValue) } -> CBooleanTestable; }) \
)
@ -605,7 +608,7 @@ constexpr NAMESPACE_PRIVATE::NotFunctionType<typename TDecay<F>::Type> NotFn(F&&
#define FUNCTOR_BINARY_OPERATOR_B_IMPL(Name, Operator) \
FUNCTOR_BINARY_OPERATOR_IMPL \
( \
Name, Operator, bool, \
Name, Operator, \
(requires(const T& LHS, const T& RHS) { { LHS Operator RHS } -> CBooleanTestable; }), \
(requires(T&& LHS, U&& RHS) { { Forward<T>(LHS) Operator Forward<U>(RHS) } -> CBooleanTestable; }) \
)
@ -613,7 +616,7 @@ constexpr NAMESPACE_PRIVATE::NotFunctionType<typename TDecay<F>::Type> NotFn(F&&
#define FUNCTOR_BINARY_OPERATOR_C_IMPL(Name, Operator) \
FUNCTOR_BINARY_OPERATOR_IMPL \
( \
Name, Operator, bool, \
Name, Operator, \
(CEqualityComparable<T>), \
(CEqualityComparableWith<T, U>) \
)
@ -621,17 +624,29 @@ constexpr NAMESPACE_PRIVATE::NotFunctionType<typename TDecay<F>::Type> NotFn(F&&
#define FUNCTOR_BINARY_OPERATOR_D_IMPL(Name, Operator) \
FUNCTOR_BINARY_OPERATOR_IMPL \
( \
Name, Operator, bool, \
Name, Operator, \
(CTotallyOrdered<T>), \
(CTotallyOrderedWith<T, U>) \
)
FUNCTOR_UNARY_OPERATOR_A_IMPL (TPromote, +);
FUNCTOR_UNARY_OPERATOR_A_IMPL (TNegate, -);
FUNCTOR_BINARY_OPERATOR_A_IMPL(TPlus, +);
FUNCTOR_BINARY_OPERATOR_A_IMPL(TMinus, -);
FUNCTOR_BINARY_OPERATOR_A_IMPL(TMultiplies, *);
FUNCTOR_BINARY_OPERATOR_A_IMPL(TDivides, /);
FUNCTOR_BINARY_OPERATOR_A_IMPL(TModulus, %);
FUNCTOR_UNARY_OPERATOR_A_IMPL (TNegate, -);
FUNCTOR_UNARY_OPERATOR_A_IMPL (TBitNot, ~ );
FUNCTOR_BINARY_OPERATOR_A_IMPL(TBitAnd, & );
FUNCTOR_BINARY_OPERATOR_A_IMPL(TBitOr, | );
FUNCTOR_BINARY_OPERATOR_A_IMPL(TBitXor, ^ );
FUNCTOR_BINARY_OPERATOR_A_IMPL(TBitLsh, <<);
FUNCTOR_BINARY_OPERATOR_A_IMPL(TBitRsh, >>);
FUNCTOR_BINARY_OPERATOR_B_IMPL(TLogicalAnd, &&);
FUNCTOR_BINARY_OPERATOR_B_IMPL(TLogicalOr, ||);
FUNCTOR_UNARY_OPERATOR_B_IMPL (TLogicalNot, ! );
FUNCTOR_BINARY_OPERATOR_C_IMPL(TEqualTo, ==);
FUNCTOR_BINARY_OPERATOR_C_IMPL(TNotEqualTo, !=);
@ -640,15 +655,6 @@ FUNCTOR_BINARY_OPERATOR_D_IMPL(TLess, < );
FUNCTOR_BINARY_OPERATOR_D_IMPL(TGreaterEqual, >=);
FUNCTOR_BINARY_OPERATOR_D_IMPL(TLessEqual, <=);
FUNCTOR_BINARY_OPERATOR_B_IMPL(TLogicalAnd, &&);
FUNCTOR_BINARY_OPERATOR_B_IMPL(TLogicalOr, ||);
FUNCTOR_UNARY_OPERATOR_B_IMPL (TLogicalNot, ! );
FUNCTOR_BINARY_OPERATOR_A_IMPL(TBitAnd, &);
FUNCTOR_BINARY_OPERATOR_A_IMPL(TBitOr, |);
FUNCTOR_BINARY_OPERATOR_A_IMPL(TBitXor, ^);
FUNCTOR_UNARY_OPERATOR_A_IMPL (TBitNot, ~);
#undef FUNCTOR_BINARY_OPERATOR_D_IMPL
#undef FUNCTOR_BINARY_OPERATOR_C_IMPL