521 lines
21 KiB
C++
521 lines
21 KiB
C++
#pragma once
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#include "CoreTypes.h"
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#include "Templates/Any.h"
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#include "Templates/Tuple.h"
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#include "Templates/Invoke.h"
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#include "Memory/Alignment.h"
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#include "Templates/Utility.h"
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#include "TypeTraits/TypeTraits.h"
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#include "Miscellaneous/AssertionMacros.h"
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// NOTE: Disable alignment limit warning
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#pragma warning(disable : 4359)
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NAMESPACE_REDCRAFT_BEGIN
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NAMESPACE_MODULE_BEGIN(Redcraft)
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NAMESPACE_MODULE_BEGIN(Utility)
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inline constexpr size_t FUNCTION_DEFAULT_INLINE_SIZE = ANY_DEFAULT_INLINE_SIZE - sizeof(uintptr);
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inline constexpr size_t FUNCTION_DEFAULT_INLINE_ALIGNMENT = ANY_DEFAULT_INLINE_ALIGNMENT;
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template <typename F> requires TIsFunction<F>::Value
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struct TFunctionRef;
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template <typename F, size_t InlineSize, size_t InlineAlignment> requires TIsFunction<F>::Value && (Memory::IsValidAlignment(InlineAlignment))
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struct TFunction;
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template <typename F, size_t InlineSize, size_t InlineAlignment> requires TIsFunction<F>::Value && (Memory::IsValidAlignment(InlineAlignment))
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struct TUniqueFunction;
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template <typename T> struct TIsTFunctionRef : FFalse { };
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template <typename F> struct TIsTFunctionRef<TFunctionRef<F>> : FTrue { };
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template <typename T> struct TIsTFunction : FFalse { };
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template <typename F, size_t I, size_t J> struct TIsTFunction<TFunction<F, I, J>> : FTrue { };
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template <typename T> struct TIsTUniqueFunction : FFalse { };
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template <typename F, size_t I, size_t J> struct TIsTUniqueFunction<TUniqueFunction<F, I, J>> : FTrue { };
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NAMESPACE_PRIVATE_BEGIN
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template <typename T>
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constexpr bool FunctionIsBound(const T& Func)
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{
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if constexpr (TIsPointer<T>::Value || TIsMemberPointer<T>::Value || TIsTFunctionRef<T>::Value || TIsTFunction<T>::Value || TIsTUniqueFunction<T>::Value)
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{
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return !!Func;
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}
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else
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{
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return true;
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}
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}
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template <typename Signature, typename F> struct TIsInvocableSignature : FFalse { };
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template <typename Ret, typename... Types, typename F>
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struct TIsInvocableSignature<Ret(Types...), F>
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: TBoolConstant<TIsInvocableResult<Ret, F, Types...>::Value && TIsInvocableResult<Ret, F&, Types...>::Value>
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{ };
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template <typename Ret, typename... Types, typename F> struct TIsInvocableSignature<Ret(Types...) & , F> : TIsInvocableResult<Ret, F&, Types...> { };
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template <typename Ret, typename... Types, typename F> struct TIsInvocableSignature<Ret(Types...) &&, F> : TIsInvocableResult<Ret, F , Types...> { };
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template <typename Ret, typename... Types, typename F>
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struct TIsInvocableSignature<Ret(Types...) const, F>
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: TBoolConstant<TIsInvocableResult<Ret, const F, Types...>::Value && TIsInvocableResult<Ret, const F&, Types...>::Value>
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{ };
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template <typename Ret, typename... Types, typename F> struct TIsInvocableSignature<Ret(Types...) const& , F> : TIsInvocableResult<Ret, const F&, Types...> { };
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template <typename Ret, typename... Types, typename F> struct TIsInvocableSignature<Ret(Types...) const&&, F> : TIsInvocableResult<Ret, const F , Types...> { };
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template <typename F> struct TFunctionInfo;
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template <typename Ret, typename... Types> struct TFunctionInfo<Ret(Types...) > { using Fn = Ret(Types...); using CVRef = int; };
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template <typename Ret, typename... Types> struct TFunctionInfo<Ret(Types...) & > { using Fn = Ret(Types...); using CVRef = int&; };
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template <typename Ret, typename... Types> struct TFunctionInfo<Ret(Types...) && > { using Fn = Ret(Types...); using CVRef = int&&; };
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template <typename Ret, typename... Types> struct TFunctionInfo<Ret(Types...) const > { using Fn = Ret(Types...); using CVRef = const int; };
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template <typename Ret, typename... Types> struct TFunctionInfo<Ret(Types...) const& > { using Fn = Ret(Types...); using CVRef = const int&; };
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template <typename Ret, typename... Types> struct TFunctionInfo<Ret(Types...) const&&> { using Fn = Ret(Types...); using CVRef = const int&&; };
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template <typename F, typename CVRef, size_t InlineSize, size_t InlineAlignment, bool bIsRef> struct TFunctionImpl;
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template <typename Ret, typename... Types, typename CVRef, size_t InlineSize, size_t InlineAlignment, bool bIsRef>
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struct alignas(InlineAlignment) TFunctionImpl<Ret(Types...), CVRef, InlineSize, InlineAlignment, bIsRef>
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{
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public:
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using ResultType = Ret;
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using ArgumentType = TTuple<Types...>;
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TFunctionImpl() = default;
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TFunctionImpl(const TFunctionImpl&) = default;
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TFunctionImpl(TFunctionImpl&& InValue) = default;
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TFunctionImpl& operator=(const TFunctionImpl&) = default;
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TFunctionImpl& operator=(TFunctionImpl&&) = default;
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~TFunctionImpl() = default;
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FORCEINLINE ResultType operator()(Types... Args) requires (TIsSame<CVRef, int >::Value) { return CallImpl(Forward<Types>(Args)...); }
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FORCEINLINE ResultType operator()(Types... Args) & requires (TIsSame<CVRef, int& >::Value) { return CallImpl(Forward<Types>(Args)...); }
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FORCEINLINE ResultType operator()(Types... Args) && requires (TIsSame<CVRef, int&&>::Value) { return CallImpl(Forward<Types>(Args)...); }
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FORCEINLINE ResultType operator()(Types... Args) const requires (TIsSame<CVRef, const int >::Value) { return CallImpl(Forward<Types>(Args)...); }
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FORCEINLINE ResultType operator()(Types... Args) const& requires (TIsSame<CVRef, const int& >::Value) { return CallImpl(Forward<Types>(Args)...); }
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FORCEINLINE ResultType operator()(Types... Args) const&& requires (TIsSame<CVRef, const int&&>::Value) { return CallImpl(Forward<Types>(Args)...); }
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constexpr bool IsValid() const { return Callable != nullptr; }
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constexpr explicit operator bool() const { return Callable != nullptr; }
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FORCEINLINE const type_info& TargetType() const requires (!bIsRef) { return IsValid() ? Storage.GetTypeInfo() : typeid(void); };
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template <typename T> FORCEINLINE T& Target() & requires (!bIsRef) && TIsSame<T, typename TDecay<T>::Type>::Value && TIsObject<typename TDecay<T>::Type>::Value && (!TIsArray<typename TDecay<T>::Type>::Value) && TIsDestructible<typename TDecay<T>::Type>::Value { return static_cast< StorageType& >(Storage).template GetValue<T>(); }
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template <typename T> FORCEINLINE T&& Target() && requires (!bIsRef) && TIsSame<T, typename TDecay<T>::Type>::Value && TIsObject<typename TDecay<T>::Type>::Value && (!TIsArray<typename TDecay<T>::Type>::Value) && TIsDestructible<typename TDecay<T>::Type>::Value { return static_cast< StorageType&&>(Storage).template GetValue<T>(); }
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template <typename T> FORCEINLINE const T& Target() const& requires (!bIsRef) && TIsSame<T, typename TDecay<T>::Type>::Value && TIsObject<typename TDecay<T>::Type>::Value && (!TIsArray<typename TDecay<T>::Type>::Value) && TIsDestructible<typename TDecay<T>::Type>::Value { return static_cast<const StorageType& >(Storage).template GetValue<T>(); }
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template <typename T> FORCEINLINE const T&& Target() const&& requires (!bIsRef) && TIsSame<T, typename TDecay<T>::Type>::Value && TIsObject<typename TDecay<T>::Type>::Value && (!TIsArray<typename TDecay<T>::Type>::Value) && TIsDestructible<typename TDecay<T>::Type>::Value { return static_cast<const StorageType&&>(Storage).template GetValue<T>(); }
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constexpr void Swap(TFunctionImpl& InValue) requires (!bIsRef)
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{
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using NAMESPACE_REDCRAFT::Swap;
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if (!IsValid() && !InValue.IsValid()) return;
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if (IsValid() && !InValue.IsValid())
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{
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InValue = MoveTemp(*this);
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ResetImpl();
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return;
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}
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if (InValue.IsValid() && !IsValid())
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{
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*this = MoveTemp(InValue);
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InValue.ResetImpl();
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return;
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}
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Swap(Callable, InValue.Callable);
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Swap(Storage, InValue.Storage);
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}
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private:
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using StorageType = typename TConditional<bIsRef, typename TCopyConst<CVRef, void>::Type*, TAny<InlineSize, 1>>::Type;
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using StorageRef = typename TConditional<bIsRef, typename TCopyConst<CVRef, void>::Type*, typename TCopyCVRef<CVRef, StorageType>::Type&>::Type;
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using CallFunc = ResultType(*)(StorageRef, Types&&...);
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StorageType Storage;
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CallFunc Callable;
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FORCEINLINE ResultType CallImpl(Types&&... Args)
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{
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checkf(IsValid(), TEXT("Attempting to call an unbound TFunction!"));
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return Callable(Storage, Forward<Types>(Args)...);
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}
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FORCEINLINE ResultType CallImpl(Types&&... Args) const
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{
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checkf(IsValid(), TEXT("Attempting to call an unbound TFunction!"));
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return Callable(Storage, Forward<Types>(Args)...);
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}
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protected:
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template <typename DecayedType, typename... ArgTypes>
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FORCEINLINE void EmplaceImpl(ArgTypes&&... Args)
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{
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using CallableType = typename TCopyConst<typename TRemoveReference<CVRef>::Type, DecayedType>::Type;
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if constexpr (bIsRef) Storage = ((reinterpret_cast<StorageType>(AddressOf(Args))), ...);
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else Storage.template Emplace<DecayedType>(Forward<ArgTypes>(Args)...);
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Callable = [](StorageRef Storage, Types&&... Args) -> ResultType
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{
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using InvokeType = typename TConditional<
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TIsReference<CVRef>::Value,
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typename TCopyCVRef<CVRef, CallableType>::Type,
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typename TCopyCVRef<CVRef, CallableType>::Type&
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>::Type;
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const auto GetFunc = [&Storage]() -> InvokeType
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{
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if constexpr (!bIsRef) return Storage.template GetValue<DecayedType>();
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else return static_cast<InvokeType>(*reinterpret_cast<CallableType*>(Storage));
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};
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return InvokeResult<ResultType>(GetFunc(), Forward<Types>(Args)...);
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};
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}
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FORCEINLINE void AssignImpl(const TFunctionImpl& InValue)
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{
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if (InValue.IsValid())
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{
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Callable = InValue.Callable;
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Storage = InValue.Storage;
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}
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else ResetImpl();
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}
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FORCEINLINE void AssignImpl(TFunctionImpl&& InValue)
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{
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if (InValue.IsValid())
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{
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Callable = InValue.Callable;
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Storage = MoveTemp(InValue.Storage);
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InValue.ResetImpl();
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}
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else ResetImpl();
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}
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constexpr void ResetImpl() { Callable = nullptr; }
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};
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NAMESPACE_PRIVATE_END
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template <typename F> requires TIsFunction<F>::Value
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struct TFunctionRef
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: public NAMESPACE_PRIVATE::TFunctionImpl<
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typename NAMESPACE_PRIVATE::TFunctionInfo<F>::Fn,
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typename NAMESPACE_PRIVATE::TFunctionInfo<F>::CVRef,
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FUNCTION_DEFAULT_INLINE_SIZE,
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FUNCTION_DEFAULT_INLINE_ALIGNMENT,
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true>
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{
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private:
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using Super = NAMESPACE_PRIVATE::TFunctionImpl<
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typename NAMESPACE_PRIVATE::TFunctionInfo<F>::Fn,
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typename NAMESPACE_PRIVATE::TFunctionInfo<F>::CVRef,
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FUNCTION_DEFAULT_INLINE_SIZE,
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FUNCTION_DEFAULT_INLINE_ALIGNMENT,
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true>;
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public:
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TFunctionRef() = delete;
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TFunctionRef(const TFunctionRef& InValue) = default;
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TFunctionRef(TFunctionRef&& InValue) = default;
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TFunctionRef& operator=(const TFunctionRef& InValue) = delete;
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TFunctionRef& operator=(TFunctionRef&& InValue) = delete;
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template <typename T> requires (!TIsTFunctionRef<typename TDecay<T>::Type>::Value) && (!TIsTInPlaceType<typename TDecay<T>::Type>::Value)
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&& NAMESPACE_PRIVATE::TIsInvocableSignature<F, typename TDecay<T>::Type>::Value
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FORCEINLINE TFunctionRef(T&& InValue)
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{
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using DecayedType = typename TDecay<T>::Type;
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checkf(NAMESPACE_PRIVATE::FunctionIsBound(InValue), TEXT("Cannot bind a null/unbound callable to a TFunctionRef"));
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Super::template EmplaceImpl<DecayedType>(Forward<T>(InValue));
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}
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template <typename T>
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TFunctionRef(const T&&) = delete;
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};
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template <typename F, size_t InlineSize = FUNCTION_DEFAULT_INLINE_SIZE, size_t InlineAlignment = FUNCTION_DEFAULT_INLINE_ALIGNMENT>
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requires TIsFunction<F>::Value && (Memory::IsValidAlignment(InlineAlignment))
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struct TFunction
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: public NAMESPACE_PRIVATE::TFunctionImpl<
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typename NAMESPACE_PRIVATE::TFunctionInfo<F>::Fn,
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typename NAMESPACE_PRIVATE::TFunctionInfo<F>::CVRef,
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InlineSize,
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InlineAlignment,
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false>
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{
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private:
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using Super = NAMESPACE_PRIVATE::TFunctionImpl<
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typename NAMESPACE_PRIVATE::TFunctionInfo<F>::Fn,
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typename NAMESPACE_PRIVATE::TFunctionInfo<F>::CVRef,
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InlineSize,
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InlineAlignment,
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false>;
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public:
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constexpr TFunction(nullptr_t = nullptr) { Super::ResetImpl(); }
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FORCEINLINE TFunction(const TFunction& InValue) = default;
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FORCEINLINE TFunction(TFunction&& InValue) : Super(MoveTemp(InValue)) { InValue.ResetImpl(); }
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FORCEINLINE TFunction& operator=(const TFunction& InValue)
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{
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Super::AssignImpl(InValue);
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return *this;
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}
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FORCEINLINE TFunction& operator=(TFunction&& InValue)
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{
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if (&InValue == this) return *this;
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Super::AssignImpl(MoveTemp(InValue));
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return *this;
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}
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template <typename T> requires (!TIsTInPlaceType<typename TDecay<T>::Type>::Value)
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&& (!TIsTFunctionRef<typename TDecay<T>::Type>::Value) && (!TIsTFunction<typename TDecay<T>::Type>::Value) && (!TIsTUniqueFunction<typename TDecay<T>::Type>::Value)
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&& TIsConstructible<typename TDecay<T>::Type, T&&>::Value && TIsCopyConstructible<typename TDecay<T>::Type>::Value
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&& NAMESPACE_PRIVATE::TIsInvocableSignature<F, typename TDecay<T>::Type>::Value
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FORCEINLINE TFunction(T&& InValue)
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{
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using DecayedType = typename TDecay<T>::Type;
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if (!NAMESPACE_PRIVATE::FunctionIsBound(InValue)) Super::ResetImpl();
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else Super::template EmplaceImpl<DecayedType>(Forward<T>(InValue));
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}
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template <typename T, typename... ArgTypes> requires NAMESPACE_PRIVATE::TIsInvocableSignature<F, typename TDecay<T>::Type>::Value
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&& TIsConstructible<typename TDecay<T>::Type, ArgTypes...>::Value && TIsCopyConstructible<typename TDecay<T>::Type>::Value
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FORCEINLINE TFunction(TInPlaceType<T>, ArgTypes&&... Args)
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{
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using DecayedType = typename TDecay<T>::Type;
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Super::template EmplaceImpl<DecayedType>(Forward<ArgTypes>(Args)...);
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}
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constexpr TFunction& operator=(nullptr_t) { Super::ResetImpl(); return *this; }
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template <typename T> requires NAMESPACE_PRIVATE::TIsInvocableSignature<F, typename TDecay<T>::Type>::Value
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&& (!TIsTFunctionRef<typename TDecay<T>::Type>::Value) && (!TIsTFunction<typename TDecay<T>::Type>::Value) && (!TIsTUniqueFunction<typename TDecay<T>::Type>::Value)
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&& TIsConstructible<typename TDecay<T>::Type, T&&>::Value && TIsCopyConstructible<typename TDecay<T>::Type>::Value
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FORCEINLINE TFunction& operator=(T&& InValue)
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{
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using DecayedType = typename TDecay<T>::Type;
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if (!NAMESPACE_PRIVATE::FunctionIsBound(InValue)) Super::ResetImpl();
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else Super::template EmplaceImpl<DecayedType>(Forward<T>(InValue));
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return *this;
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}
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template <typename T, typename... ArgTypes> requires NAMESPACE_PRIVATE::TIsInvocableSignature<F, typename TDecay<T>::Type>::Value
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&& TIsConstructible<typename TDecay<T>::Type, ArgTypes...>::Value&& TIsCopyConstructible<typename TDecay<T>::Type>::Value
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FORCEINLINE typename TDecay<T>::Type& Emplace(ArgTypes&&... Args)
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{
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using DecayedType = typename TDecay<T>::Type;
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Super::template EmplaceImpl<DecayedType>(Forward<ArgTypes>(Args)...);
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return Super::template Target<DecayedType>();
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}
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constexpr void Reset() { Super::ResetImpl(); }
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};
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template <typename F, size_t InlineSize = FUNCTION_DEFAULT_INLINE_SIZE, size_t InlineAlignment = FUNCTION_DEFAULT_INLINE_ALIGNMENT>
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requires TIsFunction<F>::Value && (Memory::IsValidAlignment(InlineAlignment))
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struct TUniqueFunction
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: public NAMESPACE_PRIVATE::TFunctionImpl<
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typename NAMESPACE_PRIVATE::TFunctionInfo<F>::Fn,
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typename NAMESPACE_PRIVATE::TFunctionInfo<F>::CVRef,
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InlineSize,
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InlineAlignment,
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false>
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{
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private:
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using Super = NAMESPACE_PRIVATE::TFunctionImpl<
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typename NAMESPACE_PRIVATE::TFunctionInfo<F>::Fn,
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typename NAMESPACE_PRIVATE::TFunctionInfo<F>::CVRef,
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InlineSize,
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InlineAlignment,
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false>;
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public:
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constexpr TUniqueFunction(nullptr_t = nullptr) { Super::ResetImpl(); }
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FORCEINLINE TUniqueFunction(const TUniqueFunction& InValue) = delete;
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TUniqueFunction(TUniqueFunction&& InValue) : Super(MoveTemp(InValue)) { InValue.ResetImpl(); }
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FORCEINLINE TUniqueFunction& operator=(const TUniqueFunction& InValue) = delete;
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FORCEINLINE TUniqueFunction& operator=(TUniqueFunction&& InValue)
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{
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if (&InValue == this) return *this;
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Super::AssignImpl(MoveTemp(InValue));
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return *this;
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}
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FORCEINLINE TUniqueFunction(const TFunction<F, InlineSize, InlineAlignment>& InValue)
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: Super(*reinterpret_cast<const TUniqueFunction*>(&InValue))
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{ }
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FORCEINLINE TUniqueFunction(TFunction<F, InlineSize, InlineAlignment>&& InValue)
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: Super(MoveTemp(*reinterpret_cast<const TUniqueFunction*>(&InValue)))
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{
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InValue.Reset();
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}
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FORCEINLINE TUniqueFunction& operator=(const TFunction<F, InlineSize, InlineAlignment>& InValue)
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{
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Super::AssignImpl(*reinterpret_cast<const TUniqueFunction*>(&InValue));
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return *this;
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}
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FORCEINLINE TUniqueFunction& operator=(TFunction<F, InlineSize, InlineAlignment>&& InValue)
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{
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Super::AssignImpl(MoveTemp(*reinterpret_cast<TUniqueFunction*>(&InValue)));
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return *this;
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}
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template <typename T> requires (!TIsTInPlaceType<typename TDecay<T>::Type>::Value)
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&& (!TIsTFunctionRef<typename TDecay<T>::Type>::Value) && (!TIsTFunction<typename TDecay<T>::Type>::Value) && (!TIsTUniqueFunction<typename TDecay<T>::Type>::Value)
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&& TIsConstructible<typename TDecay<T>::Type, T&&>::Value && TIsMoveConstructible<typename TDecay<T>::Type>::Value
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&& NAMESPACE_PRIVATE::TIsInvocableSignature<F, typename TDecay<T>::Type>::Value
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FORCEINLINE TUniqueFunction(T&& InValue)
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{
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using DecayedType = typename TDecay<T>::Type;
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if (!NAMESPACE_PRIVATE::FunctionIsBound(InValue)) Super::ResetImpl();
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else Super::template EmplaceImpl<DecayedType>(Forward<T>(InValue));
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}
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template <typename T, typename... ArgTypes> requires NAMESPACE_PRIVATE::TIsInvocableSignature<F, typename TDecay<T>::Type>::Value
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&& TIsConstructible<typename TDecay<T>::Type, ArgTypes...>::Value && TIsMoveConstructible<typename TDecay<T>::Type>::Value
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FORCEINLINE TUniqueFunction(TInPlaceType<T>, ArgTypes&&... Args)
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{
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using DecayedType = typename TDecay<T>::Type;
|
|
Super::template EmplaceImpl<DecayedType>(Forward<ArgTypes>(Args)...);
|
|
}
|
|
|
|
constexpr TUniqueFunction& operator=(nullptr_t) { Super::ResetImpl(); return *this; }
|
|
|
|
template <typename T> requires NAMESPACE_PRIVATE::TIsInvocableSignature<F, typename TDecay<T>::Type>::Value
|
|
&& (!TIsTFunctionRef<typename TDecay<T>::Type>::Value) && (!TIsTFunction<typename TDecay<T>::Type>::Value) && (!TIsTUniqueFunction<typename TDecay<T>::Type>::Value)
|
|
&& TIsConstructible<typename TDecay<T>::Type, T&&>::Value&& TIsMoveConstructible<typename TDecay<T>::Type>::Value
|
|
FORCEINLINE TUniqueFunction& operator=(T&& InValue)
|
|
{
|
|
using DecayedType = typename TDecay<T>::Type;
|
|
|
|
if (!NAMESPACE_PRIVATE::FunctionIsBound(InValue)) Super::ResetImpl();
|
|
else Super::template EmplaceImpl<DecayedType>(Forward<T>(InValue));
|
|
|
|
return *this;
|
|
}
|
|
|
|
template <typename T, typename... ArgTypes> requires NAMESPACE_PRIVATE::TIsInvocableSignature<F, typename TDecay<T>::Type>::Value
|
|
&& TIsConstructible<typename TDecay<T>::Type, ArgTypes...>::Value&& TIsMoveConstructible<typename TDecay<T>::Type>::Value
|
|
FORCEINLINE typename TDecay<T>::Type& Emplace(ArgTypes&&... Args)
|
|
{
|
|
using DecayedType = typename TDecay<T>::Type;
|
|
Super::template EmplaceImpl<DecayedType>(Forward<ArgTypes>(Args)...);
|
|
return Super::template Target<DecayedType>();
|
|
}
|
|
|
|
constexpr void Reset() { Super::ResetImpl(); }
|
|
|
|
};
|
|
|
|
template <typename F>
|
|
constexpr bool operator==(const TFunctionRef<F>& LHS, nullptr_t)
|
|
{
|
|
return !LHS;
|
|
}
|
|
|
|
template <typename F>
|
|
constexpr bool operator==(const TFunction<F>& LHS, nullptr_t)
|
|
{
|
|
return !LHS;
|
|
}
|
|
|
|
template <typename F>
|
|
constexpr bool operator==(const TUniqueFunction<F>& LHS, nullptr_t)
|
|
{
|
|
return !LHS;
|
|
}
|
|
|
|
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");
|
|
|
|
NAMESPACE_PRIVATE_BEGIN
|
|
|
|
template <typename F>
|
|
struct TNotFunction
|
|
{
|
|
F Storage;
|
|
|
|
TNotFunction(const TNotFunction&) = default;
|
|
TNotFunction(TNotFunction&&) = default;
|
|
|
|
template <typename InF>
|
|
constexpr TNotFunction(InF&& InFunc) : Storage(Forward<InF>(InFunc)) { }
|
|
|
|
template <typename... Types> requires TIsInvocable<F&, Types&&...>::Value
|
|
constexpr auto operator()(Types&&... Args) &
|
|
-> decltype(!Invoke(Storage, Forward<Types>(Args)...))
|
|
{
|
|
return !Invoke(Storage, Forward<Types>(Args)...);
|
|
}
|
|
|
|
template <typename... Types> requires TIsInvocable<F&&, Types&&...>::Value
|
|
constexpr auto operator()(Types&&... Args) &&
|
|
-> decltype(!Invoke(MoveTemp(Storage), Forward<Types>(Args)...))
|
|
{
|
|
return !Invoke(MoveTemp(Storage), Forward<Types>(Args)...);
|
|
}
|
|
|
|
template <typename... Types> requires TIsInvocable<const F&, Types&&...>::Value
|
|
constexpr auto operator()(Types&&... Args) const&
|
|
-> decltype(!Invoke(Storage, Forward<Types>(Args)...))
|
|
{
|
|
return !Invoke(Storage, Forward<Types>(Args)...);
|
|
}
|
|
|
|
template <typename... Types> requires TIsInvocable<const F&&, Types&&...>::Value
|
|
constexpr auto operator()(Types&&... Args) const&&
|
|
-> decltype(!Invoke(MoveTemp(Storage), Forward<Types>(Args)...))
|
|
{
|
|
return !Invoke(MoveTemp(Storage), Forward<Types>(Args)...);
|
|
}
|
|
};
|
|
|
|
NAMESPACE_PRIVATE_END
|
|
|
|
template <typename F>
|
|
constexpr NAMESPACE_PRIVATE::TNotFunction<typename TDecay<F>::Type> NotFn(F&& Func)
|
|
{
|
|
return NAMESPACE_PRIVATE::TNotFunction<typename TDecay<F>::Type>(Forward<F>(Func));
|
|
}
|
|
|
|
NAMESPACE_MODULE_END(Utility)
|
|
NAMESPACE_MODULE_END(Redcraft)
|
|
NAMESPACE_REDCRAFT_END
|