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refactor(templates): refactor Swap into a member function

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This commit is contained in:
_Redstone_c_
2022-04-14 22:41:22 +08:00
parent 5c82ab1e0d
commit 018d3afb73
6 changed files with 145 additions and 141 deletions
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16
Redcraft.Utility/Source/Public/Templates/Utility.h
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@ -61,12 +61,20 @@ constexpr T&& Forward(typename TRemoveReference<T>::Type&& Obj)
return (T&&)Obj;
}
template <typename T> requires TIsMoveConstructible<T>::Value && TIsMoveAssignable<T>::Value
template <typename T> requires requires(T& A, T& B) { A.Swap(B); }
|| (TIsMoveConstructible<T>::Value && TIsMoveAssignable<T>::Value)
constexpr void Swap(T& A, T& B)
{
T Temp = MoveTemp(A);
A = MoveTemp(B);
B = MoveTemp(Temp);
if constexpr (requires(T& A, T& B) { A.Swap(B); })
{
A.Swap(B);
}
else
{
T Temp = MoveTemp(A);
A = MoveTemp(B);
B = MoveTemp(Temp);
}
}
template <typename T, typename U = T> requires TIsMoveConstructible<T>::Value && TIsAssignable<T&, U>::Value