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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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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. */
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. */
template <typename T> requires (CDestructible<T> && CConstructibleFrom<T, T&&>)
NODISCARD FORCEINLINE constexpr TOptional<T> MakeOptional(T&& InValue)
template <typename T> requires (CDestructible<TDecay<T>> && CConstructibleFrom<TDecay<T>, T>)
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...>)
NODISCARD FORCEINLINE constexpr TOptional<T> MakeOptional(Ts&&... 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(Redcraft)
NAMESPACE_REDCRAFT_END