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fix(typetraits): fix implementation of TIsScopedEnum TIsSwappable and TIsBitwiseConstructible

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This commit is contained in:
_Redstone_c_ 2022-04-30 19:25:17 +08:00
parent d634fc3cf8
commit 38902eb779
5 changed files with 21 additions and 22 deletions
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2
Redcraft.Utility/Source/Private/Testing/ConceptsTesting.cpp
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@ -10,7 +10,7 @@ NAMESPACE_MODULE_BEGIN(Utility)
NAMESPACE_BEGIN(Testing)
// Warning: The test here is not a complete test, it is only used to determine whether the environment supports the concepts
// WARNING: The test here is not a complete test, it is only used to determine whether the environment supports the concepts
NAMESPACE_UNNAMED_BEGIN

2
Redcraft.Utility/Source/Private/Testing/TypeTraitsTesting.cpp
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@ -10,7 +10,7 @@ NAMESPACE_MODULE_BEGIN(Utility)
NAMESPACE_BEGIN(Testing)
// Warning: The test here is not a complete test, it is only used to determine whether the environment supports the traits
// WARNING: The test here is not a complete test, it is only used to determine whether the environment supports the traits
NAMESPACE_UNNAMED_BEGIN

13
Redcraft.Utility/Source/Public/TypeTraits/BitwiseOperations.h
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@ -35,11 +35,9 @@ template <typename T, typename U> struct TIsBitwiseConstructible<const volatile
template <typename T, typename U> struct TIsBitwiseConstructible<const volatile T, volatile U> : TIsBitwiseConstructible<T, U> { };
template <typename T, typename U> struct TIsBitwiseConstructible<const volatile T, const volatile U> : TIsBitwiseConstructible<T, U> { };
template <typename T> struct TIsBitwiseConstructible<T, T> : TIsTriviallyCopyConstructible<T> { };
template <typename T, typename U> struct TIsBitwiseConstructible<T*, U*> : TIsConvertible<U*, T*> { };
template <typename T, typename U> struct TIsBitwiseConstructible<T*, U*> : TBoolConstant<TIsSame<typename TRemoveCV<T>::Type, typename TRemoveCV<U>::Type>::Value> { };
template <typename T, typename U> struct TIsBitwiseConstructible : FFalse { };
template <typename T, typename U> struct TIsBitwiseConstructible : TBoolConstant<TIsSame<T, U>::Value ? TIsTriviallyCopyConstructible<T>::Value : false> { };
template <> struct TIsBitwiseConstructible<uint8, int8> : FTrue { };
template <> struct TIsBitwiseConstructible< int8, uint8> : FTrue { };
@ -50,6 +48,11 @@ template <> struct TIsBitwiseConstructible< int32, uint32> : FTrue { };
template <> struct TIsBitwiseConstructible<uint64, int64> : FTrue { };
template <> struct TIsBitwiseConstructible< int64, uint64> : FTrue { };
template <typename T> struct TIsBitwiseConstructible<T*, intptr> : FTrue { };
template <typename T> struct TIsBitwiseConstructible<T*, uintptr> : FTrue { };
template <typename T> struct TIsBitwiseConstructible< intptr, T*> : FTrue { };
template <typename T> struct TIsBitwiseConstructible<uintptr, T*> : FTrue { };
// It is usually only necessary to specialize TIsBitwiseConstructible and not recommended to specialize TIsBitwiseRelocatable.
template <typename T, typename U> struct TIsBitwiseRelocatable;
@ -69,7 +72,7 @@ template <typename T, typename U> struct TIsBitwiseRelocatable<const volatile T,
template <typename T, typename U> struct TIsBitwiseRelocatable<const volatile T, volatile U> : TIsBitwiseRelocatable<T, U> { };
template <typename T, typename U> struct TIsBitwiseRelocatable<const volatile T, const volatile U> : TIsBitwiseRelocatable<T, U> { };
template <typename T> struct TIsBitwiseRelocatable<T, T> : FTrue { };
template <typename T> struct TIsBitwiseRelocatable<T, T> : TBoolConstant<!TIsVoid<T>::Value> { };
template <typename T, typename U> struct TIsBitwiseRelocatable : TBoolConstant<TIsBitwiseConstructible<T, U>::Value && TIsTriviallyDestructible<U>::Value> { };

13
Redcraft.Utility/Source/Public/TypeTraits/Swappable.h
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@ -10,18 +10,23 @@ NAMESPACE_MODULE_BEGIN(Utility)
NAMESPACE_PRIVATE_BEGIN
template <typename T>
concept CSwappable = requires(T & A, T & B) { Swap(A, B); };
template <typename T, typename U>
concept CSwappableWith =
requires(T&& A, U&& B)
{
Swap(A, B);
Swap(B, A);
Swap(Forward<T>(A), Forward<T>(A));
Swap(Forward<U>(B), Forward<U>(B));
Swap(Forward<T>(A), Forward<U>(B));
Swap(Forward<U>(B), Forward<T>(A));
};
NAMESPACE_PRIVATE_END
template <typename T> struct TIsSwappable : TBoolConstant<NAMESPACE_PRIVATE::CSwappableWith<T&, T&>> { };
template <typename T, typename U> struct TIsSwappableWith : TBoolConstant<NAMESPACE_PRIVATE::CSwappableWith<T , U >> { };
template <typename T> struct TIsSwappable : TBoolConstant<NAMESPACE_PRIVATE::CSwappable<T>> { };
template <typename T, typename U> struct TIsSwappableWith : TBoolConstant<NAMESPACE_PRIVATE::CSwappableWith<T, U>> { };
//template <typename T> struct TIsNothrowSwappable;
//template <typename T, typename U> struct TIsNothrowSwappableWith;

13
Redcraft.Utility/Source/Public/TypeTraits/TypeProperties.h
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@ -2,6 +2,7 @@
#include "CoreTypes.h"
#include "TypeTraits/HelperClasses.h"
#include "TypeTraits/Miscellaneous.h"
#include <type_traits>
@ -25,18 +26,8 @@ template <typename T> struct TIsUnsigned : TBoolConstant<NAM
template <typename T> struct TIsBoundedArray : TBoolConstant<NAMESPACE_STD::is_bounded_array_v<T>> { };
template <typename T> struct TIsUnboundedArray : TBoolConstant<NAMESPACE_STD::is_unbounded_array_v<T>> { };
NAMESPACE_PRIVATE_BEGIN
uint8(&Resolve(int64))[2];
uint8 Resolve(...);
template <typename T>
struct TIsEnumConvertibleToInt : TBoolConstant<sizeof(Resolve(T())) - 1> { };
NAMESPACE_PRIVATE_END
template <typename T>
struct TIsScopedEnum : TBoolConstant<TIsEnum<T>::Value && !NAMESPACE_PRIVATE::TIsEnumConvertibleToInt<T>::Value> { };
struct TIsScopedEnum : TBoolConstant<TIsEnum<T>::Value && !TIsConvertible<T, int64>::Value> { };
NAMESPACE_MODULE_END(Utility)
NAMESPACE_MODULE_END(Redcraft)