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feat(templates): add type traits to determine if it is TAny etc

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This commit is contained in:
_Redstone_c_
2022-03-31 17:36:48 +08:00
parent 54ab72224f
commit 5f4b0d8c22
6 changed files with 33 additions and 24 deletions
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14
Redcraft.Utility/Source/Public/Templates/Tuple.h
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@ -379,16 +379,16 @@ TTuple(Types...) -> TTuple<Types...>;
template <typename T, typename U>
using TPair = TTuple<T, U>;
template <typename T > struct TIsTupleSpecialization : FFalse { };
template <typename... Types> struct TIsTupleSpecialization<TTuple<Types...>> : FTrue { };
template <typename T > struct TIsTTuple : FFalse { };
template <typename... Types> struct TIsTTuple<TTuple<Types...>> : FTrue { };
template <typename TupleType> requires TIsTupleSpecialization<typename TRemoveCVRef<TupleType>::Type>::Value
template <typename TupleType> requires TIsTTuple<typename TRemoveCVRef<TupleType>::Type>::Value
struct TTupleElementSize : TConstant<size_t, TRemoveCVRef<TupleType>::Type::ElementSize> { };
template <size_t I, typename TupleType> requires TIsTupleSpecialization<typename TRemoveCVRef<TupleType>::Type>::Value
template <size_t I, typename TupleType> requires TIsTTuple<typename TRemoveCVRef<TupleType>::Type>::Value
struct TTupleElementType { using Type = typename TCopyCVRef<typename TRemoveReference<TupleType>::Type, typename TRemoveCVRef<TupleType>::Type::template TElementType<I>::Type>::Type; };
template <typename T, typename TupleType> requires TIsTupleSpecialization<typename TRemoveCVRef<TupleType>::Type>::Value
template <typename T, typename TupleType> requires TIsTTuple<typename TRemoveCVRef<TupleType>::Type>::Value
struct TTupleElementIndex : TupleType::template TElementIndex<T> { };
template <typename... Types>
@ -553,10 +553,10 @@ struct TTupleVisitImpl<TIndexSequence<>>
NAMESPACE_PRIVATE_END
template <typename... TTupleTypes> requires (true && ... && (TIsTupleSpecialization<typename TRemoveCVRef<TTupleTypes>::Type>::Value))
template <typename... TTupleTypes> requires (true && ... && (TIsTTuple<typename TRemoveCVRef<TTupleTypes>::Type>::Value))
struct TTupleCatResult { using Type = typename NAMESPACE_PRIVATE::TTupleCatResultImpl<typename TRemoveReference<TTupleTypes>::Type..., NAMESPACE_PRIVATE::FTupleEndFlag>::Type; };
template <typename... TTupleTypes> requires (true && ... && (TIsTupleSpecialization<typename TRemoveCVRef<TTupleTypes>::Type>::Value))
template <typename... TTupleTypes> requires (true && ... && (TIsTTuple<typename TRemoveCVRef<TTupleTypes>::Type>::Value))
constexpr auto TupleCat(TTupleTypes&&... Args)
{
using R = typename TTupleCatResult<TTupleTypes...>::Type;