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refactor(templates): trivializes TOptional and TVariant operations for types that use trivially copy/move operations

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This commit is contained in:
_Redstone_c_ 2022-11-17 23:17:50 +08:00
parent f96c000b9e
commit a4ac19673f
2 changed files with 36 additions and 12 deletions
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24
Redcraft.Utility/Source/Public/Templates/Optional.h
View File

@ -53,13 +53,17 @@ public:
: TOptional(InPlace, Forward<T>(InValue))
{ }
constexpr TOptional(const TOptional& InValue) requires (CCopyConstructible<OptionalType>)
constexpr TOptional(const TOptional& InValue) requires (CTriviallyCopyConstructible<OptionalType>) = default;
constexpr TOptional(const TOptional& InValue) requires (CCopyConstructible<OptionalType> && !CTriviallyCopyConstructible<OptionalType>)
: bIsValid(InValue.IsValid())
{
if (InValue.IsValid()) new(&Value) OptionalType(InValue.GetValue());
}
constexpr TOptional(TOptional&& InValue) requires (CMoveConstructible<OptionalType>)
constexpr TOptional(TOptional&& InValue) requires (CTriviallyMoveConstructible<OptionalType>) = default;
constexpr TOptional(TOptional&& InValue) requires (CMoveConstructible<OptionalType> && !CTriviallyMoveConstructible<OptionalType>)
: bIsValid(InValue.IsValid())
{
if (InValue.IsValid()) new(&Value) OptionalType(MoveTemp(InValue.GetValue()));
@ -79,12 +83,17 @@ public:
if (InValue.IsValid()) new(&Value) OptionalType(MoveTemp(InValue.GetValue()));
}
constexpr ~TOptional()
constexpr ~TOptional() requires (CTriviallyDestructible<OptionalType>) = default;
constexpr ~TOptional() requires (!CTriviallyDestructible<OptionalType>)
{
if constexpr (!CTriviallyDestructible<OptionalType>) Reset();
Reset();
}
constexpr TOptional& operator=(const TOptional& InValue) requires (CCopyConstructible<OptionalType> && CCopyAssignable<OptionalType>)
constexpr TOptional& operator=(const TOptional& InValue) requires (CTriviallyCopyConstructible<OptionalType> && CTriviallyCopyAssignable<OptionalType>) = default;
constexpr TOptional& operator=(const TOptional& InValue) requires (CCopyConstructible<OptionalType> && CCopyAssignable<OptionalType>
&& !CTriviallyCopyConstructible<OptionalType> && !CTriviallyCopyAssignable<OptionalType>)
{
if (&InValue == this) return *this;
@ -104,7 +113,10 @@ public:
return *this;
}
constexpr TOptional& operator=(TOptional&& InValue) requires (CMoveConstructible<OptionalType> && CMoveAssignable<OptionalType>)
constexpr TOptional& operator=(TOptional&& InValue) requires (CTriviallyMoveConstructible<OptionalType> && CTriviallyMoveAssignable<OptionalType>) = default;
constexpr TOptional& operator=(TOptional&& InValue) requires (CMoveConstructible<OptionalType> && CMoveAssignable<OptionalType>
&& !CTriviallyMoveConstructible<OptionalType> && !CTriviallyMoveAssignable<OptionalType>)
{
if (&InValue == this) return *this;

24
Redcraft.Utility/Source/Public/Templates/Variant.h
View File

@ -157,13 +157,17 @@ public:
constexpr TVariant(FInvalid) : TVariant() { };
constexpr TVariant(const TVariant& InValue) requires (true && ... && CCopyConstructible<Ts>)
constexpr TVariant(const TVariant& InValue) requires (true && ... && CTriviallyCopyConstructible<Ts>) = default;
constexpr TVariant(const TVariant& InValue) requires ((true && ... && CCopyConstructible<Ts>) && !(true && ... && CTriviallyCopyConstructible<Ts>))
: TypeIndex(static_cast<uint8>(InValue.GetIndex()))
{
if (IsValid()) CopyConstructImpl[InValue.GetIndex()](&Value, &InValue.Value);
}
constexpr TVariant(TVariant&& InValue) requires (true && ... && CMoveConstructible<Ts>)
constexpr TVariant(TVariant&& InValue) requires (true && ... && CTriviallyMoveConstructible<Ts>) = default;
constexpr TVariant(TVariant&& InValue) requires ((true && ... && CMoveConstructible<Ts>) && !(true && ... && CTriviallyMoveConstructible<Ts>))
: TypeIndex(static_cast<uint8>(InValue.GetIndex()))
{
if (IsValid()) MoveConstructImpl[InValue.GetIndex()](&Value, &InValue.Value);
@ -189,12 +193,17 @@ public:
constexpr TVariant(T&& InValue) : TVariant(InPlaceType<typename NAMESPACE_PRIVATE::TVariantSelectedType<TRemoveReference<T>, Ts...>::Type>, Forward<T>(InValue))
{ }
constexpr ~TVariant()
constexpr ~TVariant() requires (true && ... && CTriviallyDestructible<Ts>) = default;
constexpr ~TVariant() requires (!(true && ... && CTriviallyDestructible<Ts>))
{
if constexpr (!(true && ... && CTriviallyDestructible<Ts>)) Reset();
Reset();
}
constexpr TVariant& operator=(const TVariant& InValue) requires (true && ... && (CCopyConstructible<Ts> && CCopyAssignable<Ts>))
constexpr TVariant& operator=(const TVariant& InValue) requires (true && ... && (CTriviallyCopyConstructible<Ts> && CTriviallyCopyAssignable<Ts>)) = default;
constexpr TVariant& operator=(const TVariant& InValue) requires ((true && ... && (CCopyConstructible<Ts> && CCopyAssignable<Ts>))
&& !(true && ... && (CTriviallyCopyConstructible<Ts> && CTriviallyCopyAssignable<Ts>)))
{
if (&InValue == this) return *this;
@ -215,7 +224,10 @@ public:
return *this;
}
constexpr TVariant& operator=(TVariant&& InValue) requires (true && ... && (CMoveConstructible<Ts> && CMoveAssignable<Ts>))
constexpr TVariant& operator=(TVariant&& InValue) requires (true && ... && (CTriviallyMoveConstructible<Ts> && CTriviallyMoveAssignable<Ts>)) = default;
constexpr TVariant& operator=(TVariant&& InValue) requires ((true && ... && (CMoveConstructible<Ts> && CMoveAssignable<Ts>))
&& !(true && ... && (CTriviallyMoveConstructible<Ts> && CTriviallyMoveAssignable<Ts>)))
{
if (&InValue == this) return *this;