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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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70
Redcraft.Utility/Source/Public/Templates/Function.h
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@ -292,6 +292,28 @@ public:
constexpr void Reset() requires (FunctionType != EFunctionType::Reference) { Call = nullptr; }
constexpr void Swap(TFunctionImpl& InValue) requires (FunctionType != EFunctionType::Reference)
{
if (!IsValid() && !InValue.IsValid()) return;
if (IsValid() && !InValue.IsValid())
{
InValue = MoveTemp(*this);
Reset();
return;
}
if (InValue.IsValid() && !IsValid())
{
*this = MoveTemp(InValue);
InValue.Reset();
return;
}
NAMESPACE_REDCRAFT::Swap(Call, InValue.Call);
NAMESPACE_REDCRAFT::Swap(Storage, InValue.Storage);
}
private:
using CallFunc = ResultType(*)(void*, Types&&...);
@ -412,54 +434,6 @@ constexpr bool operator==(const TUniqueFunction<F>& LHS, nullptr_t)
return !LHS;
}
template <typename F, size_t I, size_t J>
constexpr void Swap(TFunction<F, I, J>& A, TFunction<F, I, J>& B)
{
if (!A && !B) return;
if (A && !B)
{
B = MoveTemp(A);
A = nullptr;
return;
}
if (B && !A)
{
A = MoveTemp(B);
B = nullptr;
return;
}
TFunction<F, I, J> Temp = MoveTemp(A);
A = MoveTemp(B);
B = MoveTemp(Temp);
}
template <typename F, size_t I, size_t J>
constexpr void Swap(TUniqueFunction<F, I, J>& A, TUniqueFunction<F, I, J>& B)
{
if (!A && !B) return;
if (A && !B)
{
B = MoveTemp(A);
A = nullptr;
return;
}
if (B && !A)
{
A = MoveTemp(B);
B = nullptr;
return;
}
TFunction<F, I, J> Temp = MoveTemp(A);
A = MoveTemp(B);
B = MoveTemp(Temp);
}
static_assert(sizeof(TFunctionRef<void()>) == 16, "The byte size of TFunctionRef is unexpected");
static_assert(sizeof(TFunction<void()>) == 64, "The byte size of TFunction is unexpected");
static_assert(sizeof(TUniqueFunction<void()>) == 64, "The byte size of TUniqueFunction is unexpected");