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refactor(*): replaces template class type traits with C++20 at all

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This commit is contained in:
_Redstone_c_
2022-06-16 23:37:29 +08:00
parent 8e31a82a1f
commit f1d4d99ecf
11 changed files with 438 additions and 362 deletions
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24
Redcraft.Utility/Source/Public/Templates/ReferenceWrapper.h
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@ -40,7 +40,7 @@ public:
constexpr ReferencedType& Get() const { return *Pointer; }
template <typename... Types>
constexpr TInvokeResult<ReferencedType&, Types...>::Type operator()(Types&&... Args) const
constexpr TInvokeResult<ReferencedType&, Types...> operator()(Types&&... Args) const
{
return Invoke(Get(), Forward<Types>(Args)...);
}
@ -101,17 +101,24 @@ constexpr TReferenceWrapper<const T> Ref(TReferenceWrapper<T> InValue)
NAMESPACE_PRIVATE_BEGIN
template <typename T> struct TIsTReferenceWrapper : FFalse { };
template <typename T> struct TIsTReferenceWrapper<TReferenceWrapper<T>> : FTrue { };
template <typename T> struct TIsTReferenceWrapperImpl : FFalse { };
template <typename T> struct TIsTReferenceWrapperImpl<TReferenceWrapper<T>> : FTrue { };
template <typename T> struct TUnwrapReferenceImpl { using Type = T; };
template <typename T> struct TUnwrapReferenceImpl<TReferenceWrapper<T>> { using Type = T&; };
template <typename T> struct TUnwrapRefDecayImpl { using Type = typename TUnwrapReferenceImpl<TDecay<T>>::Type; };
NAMESPACE_PRIVATE_END
template <typename T> concept CTReferenceWrapper = NAMESPACE_PRIVATE::TIsTReferenceWrapper<T>::Value;
template <typename T>
concept CTReferenceWrapper = NAMESPACE_PRIVATE::TIsTReferenceWrapperImpl<T>::Value;
template <typename T> struct TUnwrapReference { using Type = T; };
template <typename T> struct TUnwrapReference<TReferenceWrapper<T>> { using Type = T&; };
template <typename T>
using TUnwrapReference = typename NAMESPACE_PRIVATE::TUnwrapReferenceImpl<T>::Type;
template <typename T> struct TUnwrapRefDecay { using Type = typename TUnwrapReference<TDecay<T>>::Type; };
template <typename T>
using TUnwrapRefDecay = typename NAMESPACE_PRIVATE::TUnwrapRefDecayImpl<T>::Type;
template <typename ReferencedType>
struct TOptional<TReferenceWrapper<ReferencedType>>
@ -168,7 +175,8 @@ public:
TOptional& operator=(const TOptional& InValue) = default;
TOptional& operator=(TOptional&& InValue) = default;
template <typename T = OptionalType> requires CConstructibleFrom<OptionalType, const T&> && CAssignableFrom<OptionalType&, const T&> && TAllowUnwrapping<T>::Value
template <typename T = OptionalType> requires CConstructibleFrom<OptionalType, const T&>
&& CAssignableFrom<OptionalType&, const T&> && TAllowUnwrapping<T>::Value
constexpr TOptional& operator=(const TOptional<T>& InValue)
{
Reference = InValue.Reference;