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feat(templates): add MakeAny() and fix MakeOptional()

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This commit is contained in:
_Redstone_c_ 2023-02-20 18:53:59 +08:00
parent 56cc0a4d69
commit 02cdce39e2
2 changed files with 41 additions and 6 deletions
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28
Redcraft.Utility/Source/Public/Templates/Any.h
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@ -599,6 +599,34 @@ static_assert(sizeof(FAny) == 64, "The byte size of FAny is unexpected");
static_assert(alignof(FAny) == 16, "The byte alignment of FAny is unexpected"); static_assert(alignof(FAny) == 16, "The byte alignment of FAny is unexpected");
/** Creates an any object that does not contain a value. */
template <typename T> requires (NAMESPACE_PRIVATE::CFAnyPlaceable<T>)
NODISCARD FORCEINLINE constexpr FAny MakeAny(FInvalid)
{
return FAny(Invalid);
}
/** Creates an any object from value. */
template <typename T> requires (NAMESPACE_PRIVATE::CFAnyPlaceable<T> && CConstructibleFrom<TDecay<T>, T>)
NODISCARD FORCEINLINE constexpr FAny MakeAny(T&& InValue)
{
return FAny(Forward<T>(InValue));
}
/** Creates an any object constructed in-place from Args.... */
template <typename T, typename... Ts> requires (NAMESPACE_PRIVATE::CFAnyPlaceable<T> && CConstructibleFrom<T, Ts...>)
NODISCARD FORCEINLINE constexpr FAny MakeAny(Ts&&... Args)
{
return FAny(InPlaceType<TDecay<T>>, Forward<T>(Args)...);
}
/** Creates an any object constructed in-place from IL, Args.... */
template <typename T, typename U, typename... Ts> requires (NAMESPACE_PRIVATE::CFAnyPlaceable<T> && CConstructibleFrom<T, initializer_list<U>, Ts...>)
NODISCARD FORCEINLINE constexpr FAny MakeAny(initializer_list<U> IL, Ts&&... Args)
{
return FAny(InPlaceType<TDecay<T>>, IL, Forward<T>(Args)...);
}
NAMESPACE_MODULE_END(Utility) NAMESPACE_MODULE_END(Utility)
NAMESPACE_MODULE_END(Redcraft) NAMESPACE_MODULE_END(Redcraft)
NAMESPACE_REDCRAFT_END NAMESPACE_REDCRAFT_END

19
Redcraft.Utility/Source/Public/Templates/Optional.h
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@ -377,25 +377,32 @@ TOptional(T) -> TOptional<T>;
/** Creates an optional object that does not contain a value. */ /** Creates an optional object that does not contain a value. */
template <typename T> requires (CDestructible<T>) template <typename T> requires (CDestructible<T>)
NODISCARD FORCEINLINE constexpr TOptional<TDecay<T>> MakeOptional(FInvalid) NODISCARD FORCEINLINE constexpr TOptional<T> MakeOptional(FInvalid)
{ {
return TOptional<TDecay<T>>(Invalid); return TOptional<T>(Invalid);
} }
/** Creates an optional object from value. */ /** Creates an optional object from value. */
template <typename T> requires (CDestructible<T> && CConstructibleFrom<T, T&&>) template <typename T> requires (CDestructible<TDecay<T>> && CConstructibleFrom<TDecay<T>, T>)
NODISCARD FORCEINLINE constexpr TOptional<T> MakeOptional(T&& InValue) NODISCARD FORCEINLINE constexpr TOptional<TDecay<T>> MakeOptional(T&& InValue)
{ {
return TOptional<T>(Forward<T>(InValue)); return TOptional<TDecay<T>>(Forward<T>(InValue));
} }
/** Creates an optional object constructed in-place from args.... */ /** Creates an optional object constructed in-place from Args.... */
template <typename T, typename... Ts> requires (CDestructible<T> && CConstructibleFrom<T, Ts...>) template <typename T, typename... Ts> requires (CDestructible<T> && CConstructibleFrom<T, Ts...>)
NODISCARD FORCEINLINE constexpr TOptional<T> MakeOptional(Ts&&... Args) NODISCARD FORCEINLINE constexpr TOptional<T> MakeOptional(Ts&&... Args)
{ {
return TOptional<T>(InPlace, Forward<T>(Args)...); return TOptional<T>(InPlace, Forward<T>(Args)...);
} }
/** Creates an optional object constructed in-place from IL, Args.... */
template <typename T, typename U, typename... Ts> requires (CDestructible<T> && CConstructibleFrom<T, initializer_list<U>, Ts...>)
NODISCARD FORCEINLINE constexpr TOptional<T> MakeOptional(initializer_list<U> IL, Ts&&... Args)
{
return TOptional<T>(InPlace, IL, Forward<T>(Args)...);
}
NAMESPACE_MODULE_END(Utility) NAMESPACE_MODULE_END(Utility)
NAMESPACE_MODULE_END(Redcraft) NAMESPACE_MODULE_END(Redcraft)
NAMESPACE_REDCRAFT_END NAMESPACE_REDCRAFT_END