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refactor(typetraits): replaces template class type traits with alias template for TypeTraits/Miscellaneous.h

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_Redstone_c_
2022-05-22 22:52:47 +08:00
parent 97910be70c
commit 2ce259e7cc
16 changed files with 233 additions and 236 deletions
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17
Redcraft.Utility/Source/Public/Miscellaneous/Compare.h
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@ -42,9 +42,9 @@ concept CThreeWayComparesAs = CSameAs<typename TCommonComparisonCategory<T, Orde
template <typename T, typename U = T, typename OrderingType = partial_ordering>
concept CThreeWayComparable = CWeaklyEqualityComparable<T, U> && CPartiallyOrdered<T, U>
&& CCommonReference<const typename TRemoveReference<T>::Type&, const typename TRemoveReference<U>::Type&>
&& requires(const typename TRemoveReference<T>::Type& A, const typename TRemoveReference<U>::Type& B,
const typename TRemoveReference<typename TCommonReference<const typename TRemoveReference<T>::Type&, const typename TRemoveReference<U>::Type&>::Type>::Type& C)
&& CCommonReference<const TRemoveReference<T>&, const TRemoveReference<U>&>
&& requires(const TRemoveReference<T>& A, const TRemoveReference<U>& B,
const TRemoveReference<typename TCommonReference<const TRemoveReference<T>&, const TRemoveReference<U>&>::Type>& C)
{
{ A <=> A } -> CThreeWayComparesAs<OrderingType>;
{ B <=> B } -> CThreeWayComparesAs<OrderingType>;
@ -53,13 +53,10 @@ concept CThreeWayComparable = CWeaklyEqualityComparable<T, U> && CPartiallyOrder
{ C <=> C } -> CThreeWayComparesAs<OrderingType>;
};
template <typename T, typename U = T>
struct TCompareThreeWayResult { };
template <typename T, typename U> requires CThreeWayComparable<T, U>
struct TCompareThreeWayResult<T, U>
template <typename T, typename U = T> requires CThreeWayComparable<T, U>
struct TCompareThreeWayResult
{
using Type = decltype(DeclVal<const typename TRemoveReference<T>::Type&>() <=> DeclVal<const typename TRemoveReference<U>::Type&>());
using Type = decltype(DeclVal<const TRemoveReference<T>&>() <=> DeclVal<const TRemoveReference<U>&>());
};
template <typename T, typename U = T, typename OrderingType = partial_ordering>
@ -81,7 +78,7 @@ constexpr decltype(auto) SynthThreeWayCompare(T&& LHS, U&& RHS)
template <typename T, typename U = T>
struct TSynthThreeWayResult
{
using Type = decltype(SynthThreeWayCompare(DeclVal<const typename TRemoveReference<T>::Type&>(), DeclVal<const typename TRemoveReference<U>::Type&>()));
using Type = decltype(SynthThreeWayCompare(DeclVal<const TRemoveReference<T>&>(), DeclVal<const TRemoveReference<U>&>()));
};
NAMESPACE_MODULE_END(Utility)