662 lines
37 KiB
C++
662 lines
37 KiB
C++
#pragma once
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#include "CoreTypes.h"
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#include "Templates/Invoke.h"
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#include "Templates/Utility.h"
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#include "Templates/TypeHash.h"
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#include "TypeTraits/TypeTraits.h"
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#include "Templates/IntegerSequence.h"
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#include "Templates/ReferenceWrapper.h"
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#include <tuple>
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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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#define RS_TUPLE_ELEMENT_STATIC_ALIAS 1
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template <typename... Types>
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class TTuple;
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NAMESPACE_PRIVATE_BEGIN
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template <typename T > struct TIsTTuple : FFalse { };
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template <typename... Types> struct TIsTTuple<TTuple<Types...>> : FTrue { };
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struct FForwardingConstructor { explicit FForwardingConstructor() = default; };
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struct FOtherTupleConstructor { explicit FOtherTupleConstructor() = default; };
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inline constexpr FForwardingConstructor ForwardingConstructor{ };
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inline constexpr FOtherTupleConstructor OtherTupleConstructor{ };
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template <typename TupleType>
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struct TTupleArityImpl;
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template <typename... Types>
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struct TTupleArityImpl<TTuple<Types...>> : TConstant<size_t, sizeof...(Types)> { };
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template <typename... Types>
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struct TTupleArityImpl<const TTuple<Types...>> : TConstant<size_t, sizeof...(Types)> { };
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template <typename... Types>
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struct TTupleArityImpl<volatile TTuple<Types...>> : TConstant<size_t, sizeof...(Types)> { };
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template <typename... Types>
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struct TTupleArityImpl<const volatile TTuple<Types...>> : TConstant<size_t, sizeof...(Types)> { };
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template <typename T, typename TupleType>
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struct TTupleIndexImpl;
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template <typename T, typename U, typename... Types>
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struct TTupleIndexImpl<T, TTuple<U, Types...>> : TConstant<size_t, TTupleIndexImpl<T, TTuple<Types...>>::Value + 1>
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{
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static_assert(sizeof...(Types) != 0, "Non-existent types in tuple");
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};
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template <typename T, typename... Types>
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struct TTupleIndexImpl<T, TTuple<T, Types...>> : TConstant<size_t, 0>
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{
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static_assert((true && ... && !CSameAs<T, Types>), "Duplicate type in tuple");
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};
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template <typename T>
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struct TTupleIndexImpl<T, TTuple<>> : TConstant<size_t, INDEX_NONE> { };
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template <typename T, typename... Types>
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struct TTupleIndexImpl<T, const TTuple<Types...>> : TTupleIndexImpl<T, TTuple<Types...>> { };
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template <typename T, typename... Types>
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struct TTupleIndexImpl<T, volatile TTuple<Types...>> : TTupleIndexImpl<T, TTuple<Types...>> { };
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template <typename T, typename... Types>
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struct TTupleIndexImpl<T, const volatile TTuple<Types...>> : TTupleIndexImpl<T, TTuple<Types...>> { };
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template <size_t I, typename TupleType>
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struct TTupleElementImpl;
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template <size_t I, typename T, typename... Types>
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struct TTupleElementImpl<I, TTuple<T, Types...>>
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{
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static_assert(I < sizeof...(Types) + 1, "Invalid index in tuple");
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using Type = TTupleElementImpl<I - 1, TTuple<Types...>>::Type;
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};
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template <typename T, typename... Types>
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struct TTupleElementImpl<0, TTuple<T, Types...>> { using Type = T; };
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template <size_t I, typename... Types>
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struct TTupleElementImpl<I, TTuple<Types...>> { };
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template <>
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struct TTupleElementImpl<0, TTuple<>> { };
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template <size_t I, typename... Types>
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struct TTupleElementImpl<I, const TTuple<Types...>> { using Type = TAddConst<typename TTupleElementImpl<I, TTuple<Types...>>::Type>; };
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template <size_t I, typename... Types>
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struct TTupleElementImpl<I, volatile TTuple<Types...>> { using Type = TAddVolatile<typename TTupleElementImpl<I, TTuple<Types...>>::Type>; };
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template <size_t I, typename... Types>
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struct TTupleElementImpl<I, const volatile TTuple<Types...>> { using Type = TAddCV<typename TTupleElementImpl<I, TTuple<Types...>>::Type>; };
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template <bool bTrue, typename... Types>
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struct TTupleConvertCopy : FTrue { };
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template <typename T, typename U>
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struct TTupleConvertCopy<false, T, U>
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: TBoolConstant<!(CConvertibleTo<const TTuple<U>&, T>
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|| CConstructibleFrom<T, const TTuple<U>&>
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|| CSameAs<T, U>)>
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{ };
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template <bool bTrue, typename... Types>
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struct TTupleConvertMove : FTrue { };
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template <typename T, typename U>
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struct TTupleConvertMove<false, T, U>
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: TBoolConstant<!(CConvertibleTo<TTuple<U>&&, T>
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|| CConstructibleFrom<T, TTuple<U>&&>
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|| CSameAs<T, U>)>
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{ };
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template <typename T, size_t Index>
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struct TTupleBasicElement
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{
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private:
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using ValueType = T;
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ValueType Value;
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public:
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template <typename Type>
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constexpr TTupleBasicElement(Type&& Arg)
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: Value(Forward<Type>(Arg))
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{ }
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TTupleBasicElement() = default;
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TTupleBasicElement(TTupleBasicElement&&) = default;
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TTupleBasicElement(const TTupleBasicElement&) = default;
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TTupleBasicElement& operator=(TTupleBasicElement&&) = default;
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TTupleBasicElement& operator=(const TTupleBasicElement&) = default;
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constexpr T& GetValue() & { return static_cast< T& >(Value); }
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constexpr const T& GetValue() const & { return static_cast<const T& >(Value); }
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constexpr volatile T& GetValue() volatile& { return static_cast< volatile T& >(Value); }
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constexpr const volatile T& GetValue() const volatile& { return static_cast<const volatile T& >(Value); }
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constexpr T&& GetValue() && { return static_cast< T&&>(Value); }
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constexpr const T&& GetValue() const && { return static_cast<const T&&>(Value); }
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constexpr volatile T&& GetValue() volatile&& { return static_cast< volatile T&&>(Value); }
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constexpr const volatile T&& GetValue() const volatile&& { return static_cast<const volatile T&&>(Value); }
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};
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#if RS_TUPLE_ELEMENT_STATIC_ALIAS
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#define DEFINE_TTupleBasicElement(Index, Name) \
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template <typename T> \
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struct TTupleBasicElement<T, Index> \
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{ \
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using Name##Type = T; \
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Name##Type Name; \
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\
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template <typename Type> \
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constexpr TTupleBasicElement(Type&& Arg) \
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: Name(Forward<Type>(Arg)) \
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{ } \
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\
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TTupleBasicElement() = default; \
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TTupleBasicElement(TTupleBasicElement&&) = default; \
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TTupleBasicElement(const TTupleBasicElement&) = default; \
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TTupleBasicElement& operator=(TTupleBasicElement&&) = default; \
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TTupleBasicElement& operator=(const TTupleBasicElement&) = default; \
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\
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constexpr T& GetValue() & { return static_cast< T& >(Name); } \
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constexpr const T& GetValue() const & { return static_cast<const T& >(Name); } \
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constexpr volatile T& GetValue() volatile& { return static_cast< volatile T& >(Name); } \
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constexpr const volatile T& GetValue() const volatile& { return static_cast<const volatile T& >(Name); } \
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constexpr T&& GetValue() && { return static_cast< T&&>(Name); } \
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constexpr const T&& GetValue() const && { return static_cast<const T&&>(Name); } \
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constexpr volatile T&& GetValue() volatile&& { return static_cast< volatile T&&>(Name); } \
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constexpr const volatile T&& GetValue() const volatile&& { return static_cast<const volatile T&&>(Name); } \
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}
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DEFINE_TTupleBasicElement(0x0, First);
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DEFINE_TTupleBasicElement(0x1, Second);
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DEFINE_TTupleBasicElement(0x2, Third);
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DEFINE_TTupleBasicElement(0x3, Fourth);
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DEFINE_TTupleBasicElement(0x4, Fifth);
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DEFINE_TTupleBasicElement(0x5, Sixth);
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DEFINE_TTupleBasicElement(0x6, Seventh);
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DEFINE_TTupleBasicElement(0x7, Eighth);
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DEFINE_TTupleBasicElement(0x8, Ninth);
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DEFINE_TTupleBasicElement(0x9, Tenth);
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DEFINE_TTupleBasicElement(0xA, Eleventh);
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DEFINE_TTupleBasicElement(0xB, Twelfth);
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DEFINE_TTupleBasicElement(0xC, Thirteenth);
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DEFINE_TTupleBasicElement(0xD, Fourteenth);
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DEFINE_TTupleBasicElement(0xE, Fifteenth);
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DEFINE_TTupleBasicElement(0xF, Sixteenth);
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#undef DEFINE_TTupleBasicElement
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#endif
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template <typename... Types>
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constexpr TTuple<TUnwrapRefDecay<Types>...> MakeTupleImpl(Types&&... Args)
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{
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return TTuple<TUnwrapRefDecay<Types>...>(Forward<Types>(Args)...);
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}
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template <typename Indices, typename... Types>
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class TTupleImpl;
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template <size_t... Indices, typename... Types>
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class TTupleImpl<TIndexSequence<Indices...>, Types...> : public TTupleBasicElement<Types, Indices>...
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{
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protected:
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TTupleImpl() = default;
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template <typename... ArgTypes>
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explicit TTupleImpl(FForwardingConstructor, ArgTypes&&... Args)
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: TTupleBasicElement<Types, Indices>(Forward<ArgTypes>(Args))...
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{ }
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template <typename TupleType>
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explicit TTupleImpl(FOtherTupleConstructor, TupleType&& InValue)
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: TTupleBasicElement<Types, Indices>(Forward<TupleType>(InValue).template GetValue<Indices>())...
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{ }
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TTupleImpl(const TTupleImpl&) = default;
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TTupleImpl(TTupleImpl&&) = default;
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TTupleImpl& operator=(const TTupleImpl&) = default;
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TTupleImpl& operator=(TTupleImpl&&) = default;
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};
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template <typename Indices, typename... Types>
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class TTupleHelper;
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template <size_t... Indices>
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class TTupleHelper<TIndexSequence<Indices...>>
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{
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public:
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template <typename LHSTupleType, typename RHSTupleType>
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static constexpr void Assign(LHSTupleType& LHS, RHSTupleType&& RHS)
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{
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static_assert(sizeof...(Indices) == TTupleArityImpl<TRemoveReference<LHSTupleType>>::Value
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&& TTupleArityImpl<TRemoveReference<LHSTupleType>>::Value == TTupleArityImpl<TRemoveReference<RHSTupleType>>::Value,
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"Cannot assign tuple from different size");
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((LHS.template GetValue<Indices>() = Forward<RHSTupleType>(RHS).template GetValue<Indices>()), ...);
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}
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template <typename F, typename TTupleType>
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static constexpr auto Apply(F&& Func, TTupleType&& Arg)
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{
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return Invoke(Forward<F>(Func), Forward<TTupleType>(Arg).template GetValue<Indices>()...);
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}
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template <typename F, typename TTupleType, typename... ArgTypes>
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static constexpr auto ApplyAfter(F&& Func, TTupleType&& Arg, ArgTypes&&... OtherArgs)
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{
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return Invoke(Forward<F>(Func), Forward<ArgTypes>(OtherArgs)..., Forward<TTupleType>(Arg).template GetValue<Indices>()...);
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}
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template <typename F, typename TTupleType, typename... ArgTypes>
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static constexpr auto ApplyBefore(F&& Func, TTupleType&& Arg, ArgTypes&&... OtherArgs)
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{
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return Invoke(Forward<F>(Func), Forward<TTupleType>(Arg).template GetValue<Indices>()..., Forward<ArgTypes>(OtherArgs)...);
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}
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template <typename F, typename TTupleType>
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static constexpr auto Transform(F&& Func, TTupleType&& Arg)
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{
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return MakeTupleImpl(Invoke(Forward<F>(Func), Forward<TTupleType>(Arg).template GetValue<Indices>())...);
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}
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template <typename T, typename TTupleType>
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static constexpr T Construct(TTupleType&& Arg)
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{
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return T(Forward<TTupleType>(Arg).template GetValue<Indices>()...);
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}
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};
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NAMESPACE_PRIVATE_END
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template <typename T>
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concept CTTuple = NAMESPACE_PRIVATE::TIsTTuple<T>::Value;
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template <typename TupleType>
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inline constexpr size_t TTupleArity = NAMESPACE_PRIVATE::TTupleArityImpl<TupleType>::Value;
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template <typename T, typename TupleType>
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inline constexpr size_t TTupleIndex = NAMESPACE_PRIVATE::TTupleIndexImpl<T, TupleType>::Value;
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template <size_t I, typename TupleType>
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using TTupleElement = typename NAMESPACE_PRIVATE::TTupleElementImpl<I, TupleType>::Type;
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template <typename... Types>
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class TTuple : public NAMESPACE_PRIVATE::TTupleImpl<TIndexSequenceFor<Types...>, Types...>
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{
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private:
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using Super = NAMESPACE_PRIVATE::TTupleImpl<TIndexSequenceFor<Types...>, Types...>;
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using Helper = NAMESPACE_PRIVATE::TTupleHelper<TIndexSequenceFor<Types...>>;
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public:
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TTuple() = default;
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template <typename... ArgTypes> requires (sizeof...(Types) >= 1) && (sizeof...(ArgTypes) == sizeof...(Types))
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&& (true && ... && CConstructibleFrom<Types, ArgTypes&&>)
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constexpr explicit (!(true && ... && CConvertibleTo<ArgTypes&&, Types>)) TTuple(ArgTypes&&... Args)
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: Super(NAMESPACE_PRIVATE::ForwardingConstructor, Forward<ArgTypes>(Args)...)
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{ }
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template <typename... OtherTypes> requires (sizeof...(OtherTypes) == sizeof...(Types))
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&& (true && ... && CConstructibleFrom<Types, const OtherTypes&>)
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&& NAMESPACE_PRIVATE::TTupleConvertCopy<sizeof...(Types) != 1, Types..., OtherTypes...>::Value
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constexpr explicit (!(true && ... && CConvertibleTo<OtherTypes&&, Types>)) TTuple(const TTuple<OtherTypes...>& InValue)
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: Super(NAMESPACE_PRIVATE::OtherTupleConstructor, InValue)
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{ }
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template <typename... OtherTypes> requires (sizeof...(OtherTypes) == sizeof...(Types))
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&& (true && ... && CConstructibleFrom<Types, OtherTypes&&>)
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&& NAMESPACE_PRIVATE::TTupleConvertMove<sizeof...(Types) != 1, Types..., OtherTypes...>::Value
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constexpr explicit (!(true && ... && CConvertibleTo<OtherTypes&&, Types>)) TTuple(TTuple<OtherTypes...>&& InValue)
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: Super(NAMESPACE_PRIVATE::OtherTupleConstructor, MoveTemp(InValue))
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{ }
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TTuple(const TTuple&) = default;
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TTuple(TTuple&&) = default;
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template <typename... OtherTypes> requires (sizeof...(OtherTypes) == sizeof...(Types))
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&& (true && ... && CAssignableFrom<Types&, const OtherTypes&>)
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constexpr TTuple& operator=(const TTuple<OtherTypes...>& InValue)
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{
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Helper::Assign(*this, InValue);
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return *this;
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}
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template <typename... OtherTypes> requires (sizeof...(OtherTypes) == sizeof...(Types))
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&& (true && ... && CAssignableFrom<Types&, OtherTypes&&>)
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constexpr TTuple& operator=(TTuple<OtherTypes...>&& InValue)
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{
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Helper::Assign(*this, MoveTemp(InValue));
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return *this;
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}
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TTuple& operator=(const TTuple&) = default;
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TTuple& operator=(TTuple&&) = default;
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template <size_t I> requires (I < sizeof...(Types)) constexpr decltype(auto) GetValue() & { return static_cast< NAMESPACE_PRIVATE::TTupleBasicElement<TTupleElement<I, TTuple<Types...>>, I>& >(*this).GetValue(); }
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template <size_t I> requires (I < sizeof...(Types)) constexpr decltype(auto) GetValue() const & { return static_cast<const NAMESPACE_PRIVATE::TTupleBasicElement<TTupleElement<I, TTuple<Types...>>, I>& >(*this).GetValue(); }
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template <size_t I> requires (I < sizeof...(Types)) constexpr decltype(auto) GetValue() volatile& { return static_cast< volatile NAMESPACE_PRIVATE::TTupleBasicElement<TTupleElement<I, TTuple<Types...>>, I>& >(*this).GetValue(); }
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template <size_t I> requires (I < sizeof...(Types)) constexpr decltype(auto) GetValue() const volatile& { return static_cast<const volatile NAMESPACE_PRIVATE::TTupleBasicElement<TTupleElement<I, TTuple<Types...>>, I>& >(*this).GetValue(); }
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template <size_t I> requires (I < sizeof...(Types)) constexpr decltype(auto) GetValue() && { return static_cast< NAMESPACE_PRIVATE::TTupleBasicElement<TTupleElement<I, TTuple<Types...>>, I>&&>(*this).GetValue(); }
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template <size_t I> requires (I < sizeof...(Types)) constexpr decltype(auto) GetValue() const && { return static_cast<const NAMESPACE_PRIVATE::TTupleBasicElement<TTupleElement<I, TTuple<Types...>>, I>&&>(*this).GetValue(); }
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template <size_t I> requires (I < sizeof...(Types)) constexpr decltype(auto) GetValue() volatile&& { return static_cast< volatile NAMESPACE_PRIVATE::TTupleBasicElement<TTupleElement<I, TTuple<Types...>>, I>&&>(*this).GetValue(); }
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template <size_t I> requires (I < sizeof...(Types)) constexpr decltype(auto) GetValue() const volatile&& { return static_cast<const volatile NAMESPACE_PRIVATE::TTupleBasicElement<TTupleElement<I, TTuple<Types...>>, I>&&>(*this).GetValue(); }
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template <typename T> constexpr decltype(auto) GetValue() & { return static_cast< TTuple& >(*this).GetValue<TTupleIndex<T, TTuple<Types...>>>(); }
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template <typename T> constexpr decltype(auto) GetValue() const & { return static_cast<const TTuple& >(*this).GetValue<TTupleIndex<T, TTuple<Types...>>>(); }
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template <typename T> constexpr decltype(auto) GetValue() volatile& { return static_cast< volatile TTuple& >(*this).GetValue<TTupleIndex<T, TTuple<Types...>>>(); }
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template <typename T> constexpr decltype(auto) GetValue() const volatile& { return static_cast<const volatile TTuple& >(*this).GetValue<TTupleIndex<T, TTuple<Types...>>>(); }
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template <typename T> constexpr decltype(auto) GetValue() && { return static_cast< TTuple&&>(*this).GetValue<TTupleIndex<T, TTuple<Types...>>>(); }
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template <typename T> constexpr decltype(auto) GetValue() const && { return static_cast<const TTuple&&>(*this).GetValue<TTupleIndex<T, TTuple<Types...>>>(); }
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template <typename T> constexpr decltype(auto) GetValue() volatile&& { return static_cast< volatile TTuple&&>(*this).GetValue<TTupleIndex<T, TTuple<Types...>>>(); }
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template <typename T> constexpr decltype(auto) GetValue() const volatile&& { return static_cast<const volatile TTuple&&>(*this).GetValue<TTupleIndex<T, TTuple<Types...>>>(); }
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template <typename F> requires CInvocable<F, Types...> constexpr decltype(auto) Apply(F&& Func) & { return Helper::Apply(Forward<F>(Func), static_cast< TTuple& >(*this)); }
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template <typename F> requires CInvocable<F, Types...> constexpr decltype(auto) Apply(F&& Func) const & { return Helper::Apply(Forward<F>(Func), static_cast<const TTuple& >(*this)); }
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template <typename F> requires CInvocable<F, Types...> constexpr decltype(auto) Apply(F&& Func) volatile& { return Helper::Apply(Forward<F>(Func), static_cast< volatile TTuple& >(*this)); }
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template <typename F> requires CInvocable<F, Types...> constexpr decltype(auto) Apply(F&& Func) const volatile& { return Helper::Apply(Forward<F>(Func), static_cast<const volatile TTuple& >(*this)); }
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template <typename F> requires CInvocable<F, Types...> constexpr decltype(auto) Apply(F&& Func) && { return Helper::Apply(Forward<F>(Func), static_cast< TTuple&&>(*this)); }
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template <typename F> requires CInvocable<F, Types...> constexpr decltype(auto) Apply(F&& Func) const && { return Helper::Apply(Forward<F>(Func), static_cast<const TTuple&&>(*this)); }
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template <typename F> requires CInvocable<F, Types...> constexpr decltype(auto) Apply(F&& Func) volatile&& { return Helper::Apply(Forward<F>(Func), static_cast< volatile TTuple&&>(*this)); }
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template <typename F> requires CInvocable<F, Types...> constexpr decltype(auto) Apply(F&& Func) const volatile&& { return Helper::Apply(Forward<F>(Func), static_cast<const volatile TTuple&&>(*this)); }
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template <typename F, typename... ArgTypes> requires CInvocable<F, ArgTypes..., Types...> constexpr decltype(auto) ApplyAfter(F&& Func, ArgTypes&&... Args) & { return Helper::ApplyAfter(Forward<F>(Func), static_cast< TTuple& >(*this), Forward<ArgTypes>(Args)...); }
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template <typename F, typename... ArgTypes> requires CInvocable<F, ArgTypes..., Types...> constexpr decltype(auto) ApplyAfter(F&& Func, ArgTypes&&... Args) const & { return Helper::ApplyAfter(Forward<F>(Func), static_cast<const TTuple& >(*this), Forward<ArgTypes>(Args)...); }
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template <typename F, typename... ArgTypes> requires CInvocable<F, ArgTypes..., Types...> constexpr decltype(auto) ApplyAfter(F&& Func, ArgTypes&&... Args) volatile& { return Helper::ApplyAfter(Forward<F>(Func), static_cast< volatile TTuple& >(*this), Forward<ArgTypes>(Args)...); }
|
|
template <typename F, typename... ArgTypes> requires CInvocable<F, ArgTypes..., Types...> constexpr decltype(auto) ApplyAfter(F&& Func, ArgTypes&&... Args) const volatile& { return Helper::ApplyAfter(Forward<F>(Func), static_cast<const volatile TTuple& >(*this), Forward<ArgTypes>(Args)...); }
|
|
template <typename F, typename... ArgTypes> requires CInvocable<F, ArgTypes..., Types...> constexpr decltype(auto) ApplyAfter(F&& Func, ArgTypes&&... Args) && { return Helper::ApplyAfter(Forward<F>(Func), static_cast< TTuple&&>(*this), Forward<ArgTypes>(Args)...); }
|
|
template <typename F, typename... ArgTypes> requires CInvocable<F, ArgTypes..., Types...> constexpr decltype(auto) ApplyAfter(F&& Func, ArgTypes&&... Args) const && { return Helper::ApplyAfter(Forward<F>(Func), static_cast<const TTuple&&>(*this), Forward<ArgTypes>(Args)...); }
|
|
template <typename F, typename... ArgTypes> requires CInvocable<F, ArgTypes..., Types...> constexpr decltype(auto) ApplyAfter(F&& Func, ArgTypes&&... Args) volatile&& { return Helper::ApplyAfter(Forward<F>(Func), static_cast< volatile TTuple&&>(*this), Forward<ArgTypes>(Args)...); }
|
|
template <typename F, typename... ArgTypes> requires CInvocable<F, ArgTypes..., Types...> constexpr decltype(auto) ApplyAfter(F&& Func, ArgTypes&&... Args) const volatile&& { return Helper::ApplyAfter(Forward<F>(Func), static_cast<const volatile TTuple&&>(*this), Forward<ArgTypes>(Args)...); }
|
|
|
|
template <typename F, typename... ArgTypes> requires CInvocable<F, Types..., ArgTypes...> constexpr decltype(auto) ApplyBefore(F&& Func, ArgTypes&&... Args) & { return Helper::ApplyBefore(Forward<F>(Func), static_cast< TTuple& >(*this), Forward<ArgTypes>(Args)...); }
|
|
template <typename F, typename... ArgTypes> requires CInvocable<F, Types..., ArgTypes...> constexpr decltype(auto) ApplyBefore(F&& Func, ArgTypes&&... Args) const & { return Helper::ApplyBefore(Forward<F>(Func), static_cast<const TTuple& >(*this), Forward<ArgTypes>(Args)...); }
|
|
template <typename F, typename... ArgTypes> requires CInvocable<F, Types..., ArgTypes...> constexpr decltype(auto) ApplyBefore(F&& Func, ArgTypes&&... Args) volatile& { return Helper::ApplyBefore(Forward<F>(Func), static_cast< volatile TTuple& >(*this), Forward<ArgTypes>(Args)...); }
|
|
template <typename F, typename... ArgTypes> requires CInvocable<F, Types..., ArgTypes...> constexpr decltype(auto) ApplyBefore(F&& Func, ArgTypes&&... Args) const volatile& { return Helper::ApplyBefore(Forward<F>(Func), static_cast<const volatile TTuple& >(*this), Forward<ArgTypes>(Args)...); }
|
|
template <typename F, typename... ArgTypes> requires CInvocable<F, Types..., ArgTypes...> constexpr decltype(auto) ApplyBefore(F&& Func, ArgTypes&&... Args) && { return Helper::ApplyBefore(Forward<F>(Func), static_cast< TTuple&&>(*this), Forward<ArgTypes>(Args)...); }
|
|
template <typename F, typename... ArgTypes> requires CInvocable<F, Types..., ArgTypes...> constexpr decltype(auto) ApplyBefore(F&& Func, ArgTypes&&... Args) const && { return Helper::ApplyBefore(Forward<F>(Func), static_cast<const TTuple&&>(*this), Forward<ArgTypes>(Args)...); }
|
|
template <typename F, typename... ArgTypes> requires CInvocable<F, Types..., ArgTypes...> constexpr decltype(auto) ApplyBefore(F&& Func, ArgTypes&&... Args) volatile&& { return Helper::ApplyBefore(Forward<F>(Func), static_cast< volatile TTuple&&>(*this), Forward<ArgTypes>(Args)...); }
|
|
template <typename F, typename... ArgTypes> requires CInvocable<F, Types..., ArgTypes...> constexpr decltype(auto) ApplyBefore(F&& Func, ArgTypes&&... Args) const volatile&& { return Helper::ApplyBefore(Forward<F>(Func), static_cast<const volatile TTuple&&>(*this), Forward<ArgTypes>(Args)...); }
|
|
|
|
template <typename F> requires (true && ... && (CInvocable<F, Types> && !CSameAs<void, TInvokeResult<F, Types>>)) constexpr decltype(auto) Transform(F&& Func) & { return Helper::Transform(Forward<F>(Func), static_cast< TTuple& >(*this)); }
|
|
template <typename F> requires (true && ... && (CInvocable<F, Types> && !CSameAs<void, TInvokeResult<F, Types>>)) constexpr decltype(auto) Transform(F&& Func) const & { return Helper::Transform(Forward<F>(Func), static_cast<const TTuple& >(*this)); }
|
|
template <typename F> requires (true && ... && (CInvocable<F, Types> && !CSameAs<void, TInvokeResult<F, Types>>)) constexpr decltype(auto) Transform(F&& Func) volatile& { return Helper::Transform(Forward<F>(Func), static_cast< volatile TTuple& >(*this)); }
|
|
template <typename F> requires (true && ... && (CInvocable<F, Types> && !CSameAs<void, TInvokeResult<F, Types>>)) constexpr decltype(auto) Transform(F&& Func) const volatile& { return Helper::Transform(Forward<F>(Func), static_cast<const volatile TTuple& >(*this)); }
|
|
template <typename F> requires (true && ... && (CInvocable<F, Types> && !CSameAs<void, TInvokeResult<F, Types>>)) constexpr decltype(auto) Transform(F&& Func) && { return Helper::Transform(Forward<F>(Func), static_cast< TTuple&&>(*this)); }
|
|
template <typename F> requires (true && ... && (CInvocable<F, Types> && !CSameAs<void, TInvokeResult<F, Types>>)) constexpr decltype(auto) Transform(F&& Func) const && { return Helper::Transform(Forward<F>(Func), static_cast<const TTuple&&>(*this)); }
|
|
template <typename F> requires (true && ... && (CInvocable<F, Types> && !CSameAs<void, TInvokeResult<F, Types>>)) constexpr decltype(auto) Transform(F&& Func) volatile&& { return Helper::Transform(Forward<F>(Func), static_cast< volatile TTuple&&>(*this)); }
|
|
template <typename F> requires (true && ... && (CInvocable<F, Types> && !CSameAs<void, TInvokeResult<F, Types>>)) constexpr decltype(auto) Transform(F&& Func) const volatile&& { return Helper::Transform(Forward<F>(Func), static_cast<const volatile TTuple&&>(*this)); }
|
|
|
|
template <typename T> requires CConstructibleFrom<T, Types...> constexpr T Construct() & { return Helper::template Construct<T>(static_cast< TTuple& >(*this)); }
|
|
template <typename T> requires CConstructibleFrom<T, Types...> constexpr T Construct() const & { return Helper::template Construct<T>(static_cast<const TTuple& >(*this)); }
|
|
template <typename T> requires CConstructibleFrom<T, Types...> constexpr T Construct() volatile& { return Helper::template Construct<T>(static_cast< volatile TTuple& >(*this)); }
|
|
template <typename T> requires CConstructibleFrom<T, Types...> constexpr T Construct() const volatile& { return Helper::template Construct<T>(static_cast<const volatile TTuple& >(*this)); }
|
|
template <typename T> requires CConstructibleFrom<T, Types...> constexpr T Construct() && { return Helper::template Construct<T>(static_cast< TTuple&&>(*this)); }
|
|
template <typename T> requires CConstructibleFrom<T, Types...> constexpr T Construct() const && { return Helper::template Construct<T>(static_cast<const TTuple&&>(*this)); }
|
|
template <typename T> requires CConstructibleFrom<T, Types...> constexpr T Construct() volatile&& { return Helper::template Construct<T>(static_cast< volatile TTuple&&>(*this)); }
|
|
template <typename T> requires CConstructibleFrom<T, Types...> constexpr T Construct() const volatile&& { return Helper::template Construct<T>(static_cast<const volatile TTuple&&>(*this)); }
|
|
|
|
constexpr size_t GetTypeHash() const requires (true && ... && CHashable<Types>)
|
|
{
|
|
return [this]<size_t... Indices>(TIndexSequence<Indices...>) -> size_t
|
|
{
|
|
return HashCombine(NAMESPACE_REDCRAFT::GetTypeHash(GetValue<Indices>())...);
|
|
}
|
|
(TMakeIndexSequence<sizeof...(Types)>());
|
|
}
|
|
|
|
constexpr void Swap(TTuple& InValue) requires (true && ... && (CMoveConstructible<Types>&& CSwappable<Types>))
|
|
{
|
|
[&A = *this, &B = InValue]<size_t... Indices>(TIndexSequence<Indices...>)
|
|
{
|
|
((NAMESPACE_REDCRAFT::Swap(A.template GetValue<Indices>(), B.template GetValue<Indices>())), ...);
|
|
}
|
|
(TMakeIndexSequence<sizeof...(Types)>());
|
|
}
|
|
|
|
};
|
|
|
|
template <typename... Types>
|
|
TTuple(Types...) -> TTuple<Types...>;
|
|
|
|
template <typename T, typename U>
|
|
using TPair = TTuple<T, U>;
|
|
|
|
template <typename... Types>
|
|
constexpr TTuple<TUnwrapRefDecay<Types>...> MakeTuple(Types&&... Args)
|
|
{
|
|
return TTuple<TUnwrapRefDecay<Types>...>(Forward<Types>(Args)...);
|
|
}
|
|
|
|
template <typename... Types>
|
|
constexpr TTuple<Types&...> Tie(Types&... Args)
|
|
{
|
|
return TTuple<Types&...>(Args...);
|
|
}
|
|
|
|
template <typename... Types>
|
|
constexpr TTuple<Types&&...> ForwardAsTuple(Types&&... Args)
|
|
{
|
|
return TTuple<Types&&...>(Forward<Types>(Args)...);
|
|
}
|
|
|
|
NAMESPACE_PRIVATE_BEGIN
|
|
|
|
struct FTupleEndFlag { };
|
|
|
|
template <typename... TTupleTypes>
|
|
struct TTupleCatResultImpl;
|
|
|
|
template <typename... Types, typename... TTupleTypes>
|
|
struct TTupleCatResultImpl<TTuple<Types...>, TTupleTypes...>
|
|
{
|
|
using Type = typename TTupleCatResultImpl<TTupleTypes..., Types...>::Type;
|
|
};
|
|
|
|
template <typename... Types>
|
|
struct TTupleCatResultImpl<FTupleEndFlag, Types...>
|
|
{
|
|
using Type = TTuple<Types...>;
|
|
};
|
|
|
|
template <typename R, typename Indices>
|
|
struct TTupleCatMake;
|
|
|
|
template <typename... RTypes, size_t... Indices>
|
|
struct TTupleCatMake<TTuple<RTypes...>, TIndexSequence<Indices...>>
|
|
{
|
|
template <typename T, typename U>
|
|
struct ForwardType { using Type = TConditional<CRValueReference<T>, TRemoveReference<U>&&, U>; };
|
|
|
|
template <typename TTupleType>
|
|
static constexpr TTuple<RTypes...> F(TTupleType&& InValue)
|
|
{
|
|
return TTuple<RTypes...>
|
|
(
|
|
static_cast<typename ForwardType<RTypes, decltype(Forward<TTupleType>(InValue).template GetValue<Indices>())>::Type>
|
|
(
|
|
Forward<TTupleType>(InValue).template GetValue<Indices>()
|
|
)...
|
|
);
|
|
}
|
|
};
|
|
|
|
template <typename ForwardIndices, typename TTupleIndices>
|
|
struct TTupleCatForward;
|
|
|
|
template <size_t... ForwardIndices, size_t... TTupleIndices>
|
|
struct TTupleCatForward<TIndexSequence<ForwardIndices...>, TIndexSequence<TTupleIndices...>>
|
|
{
|
|
template <typename ForwardType, typename TTupleType>
|
|
static constexpr decltype(auto) F(ForwardType&& ForwardTuple, TTupleType&& InValue)
|
|
{
|
|
return ForwardAsTuple(Forward<ForwardType>(ForwardTuple).template GetValue<ForwardIndices>()..., Forward<TTupleType>(InValue).template GetValue<TTupleIndices>()...);
|
|
}
|
|
};
|
|
|
|
template <typename R>
|
|
struct TTupleCatImpl
|
|
{
|
|
template <typename ForwardType, typename TTupleType, typename... OtherTTupleTypes>
|
|
static constexpr decltype(auto) F(ForwardType&& ForwardTuple, TTupleType&& InValue, OtherTTupleTypes&&... OtherValue)
|
|
{
|
|
return F(TTupleCatForward<
|
|
TMakeIndexSequence<TTupleArity<TRemoveReference<ForwardType>>>,
|
|
TMakeIndexSequence<TTupleArity<TRemoveReference<TTupleType>>>>
|
|
::F(Forward<ForwardType>(ForwardTuple), Forward<TTupleType>(InValue)), Forward<OtherTTupleTypes>(OtherValue)...);
|
|
}
|
|
|
|
template <typename ForwardType>
|
|
static constexpr decltype(auto) F(ForwardType&& ForwardTuple)
|
|
{
|
|
return TTupleCatMake<R, TMakeIndexSequence<TTupleArity<ForwardType>>>::F(Forward<ForwardType>(ForwardTuple));
|
|
}
|
|
};
|
|
|
|
template <typename R, typename Indices>
|
|
struct TTupleThreeWay;
|
|
|
|
template <typename R, size_t I, size_t... Indices>
|
|
struct TTupleThreeWay<R, TIndexSequence<I, Indices...>>
|
|
{
|
|
template <typename LHSTupleType, typename RHSTupleType>
|
|
static constexpr R F(const LHSTupleType& LHS, const RHSTupleType& RHS)
|
|
{
|
|
auto Result = SynthThreeWayCompare(LHS.template GetValue<I>(), RHS.template GetValue<I>());
|
|
if (Result != 0) return Result;
|
|
return TTupleThreeWay<R, TIndexSequence<Indices...>>::F(LHS, RHS);
|
|
}
|
|
};
|
|
|
|
template <typename R>
|
|
struct TTupleThreeWay<R, TIndexSequence<>>
|
|
{
|
|
template <typename LHSTupleType, typename RHSTupleType>
|
|
static constexpr R F(const LHSTupleType& LHS, const RHSTupleType& RHS)
|
|
{
|
|
return R::equivalent;
|
|
}
|
|
};
|
|
|
|
template <typename Indices>
|
|
struct TTupleVisitImpl;
|
|
|
|
template <size_t I, size_t... Indices>
|
|
struct TTupleVisitImpl<TIndexSequence<I, Indices...>>
|
|
{
|
|
template <typename G, typename... TupleTypes>
|
|
static constexpr void F(G&& Func, TupleTypes&&... Tuples)
|
|
{
|
|
Invoke(Forward<G>(Func), Forward<TupleTypes>(Tuples).template GetValue<I>()...);
|
|
TTupleVisitImpl<TIndexSequence<Indices...>>::F(Forward<G>(Func), Forward<TupleTypes>(Tuples)...);
|
|
}
|
|
};
|
|
|
|
template <>
|
|
struct TTupleVisitImpl<TIndexSequence<>>
|
|
{
|
|
template <typename... TupleTypes>
|
|
static constexpr void F(TupleTypes&&... Tuples) { }
|
|
};
|
|
|
|
NAMESPACE_PRIVATE_END
|
|
|
|
template <typename... TTupleTypes> requires (true && ... && CTTuple<TRemoveCVRef<TTupleTypes>>)
|
|
using TTupleCatResult = typename NAMESPACE_PRIVATE::TTupleCatResultImpl<TRemoveReference<TTupleTypes>..., NAMESPACE_PRIVATE::FTupleEndFlag>::Type;;
|
|
|
|
template <typename... TTupleTypes> requires (true && ... && CTTuple<TRemoveCVRef<TTupleTypes>>)
|
|
constexpr decltype(auto) TupleCat(TTupleTypes&&... Args)
|
|
{
|
|
using R = TTupleCatResult<TTupleTypes...>;
|
|
if constexpr (sizeof...(Args) == 0) return R();
|
|
else return NAMESPACE_PRIVATE::TTupleCatImpl<R>::F(Forward<TTupleTypes>(Args)...);
|
|
}
|
|
|
|
template <typename... LHSTypes, typename... RHSTypes> requires ((sizeof...(LHSTypes) != sizeof...(RHSTypes)) || (true && ... && CWeaklyEqualityComparable<LHSTypes, RHSTypes>))
|
|
constexpr bool operator==(const TTuple<LHSTypes...>& LHS, const TTuple<RHSTypes...>& RHS)
|
|
{
|
|
if constexpr (sizeof...(LHSTypes) != sizeof...(RHSTypes)) return false;
|
|
return[&LHS, &RHS]<size_t... Indices>(TIndexSequence<Indices...>) -> bool { return (true && ... && (LHS.template GetValue<Indices>() == RHS.template GetValue<Indices>())); } (TMakeIndexSequence<sizeof...(LHSTypes)>());
|
|
}
|
|
|
|
template <typename... LHSTypes, typename... RHSTypes> requires ((sizeof...(LHSTypes) == sizeof...(RHSTypes)) && (true && ... && (CSynthThreeWayComparable<LHSTypes, RHSTypes>)))
|
|
constexpr TCommonComparisonCategory<TSynthThreeWayResult<LHSTypes, RHSTypes>...> operator<=>(const TTuple<LHSTypes...>& LHS, const TTuple<RHSTypes...>& RHS)
|
|
{
|
|
using R = TCommonComparisonCategory<TSynthThreeWayResult<LHSTypes, RHSTypes>...>;
|
|
return NAMESPACE_PRIVATE::TTupleThreeWay<R, TMakeIndexSequence<sizeof...(LHSTypes)>>::F(LHS, RHS);
|
|
}
|
|
|
|
template <typename F> requires CInvocable<F>
|
|
constexpr void VisitTuple(F&& Func) { }
|
|
|
|
template <typename F, typename FirstTupleType, typename... TupleTypes>
|
|
constexpr void VisitTuple(F&& Func, FirstTupleType&& FirstTuple, TupleTypes&&... Tuples)
|
|
{
|
|
NAMESPACE_PRIVATE::TTupleVisitImpl<TMakeIndexSequence<TTupleArity<TRemoveReference<FirstTupleType>>>>
|
|
::F(Forward<F>(Func), Forward<FirstTupleType>(FirstTuple), Forward<TupleTypes>(Tuples)...);
|
|
}
|
|
|
|
template <typename... Ts, typename... Us> requires requires { typename TTuple<TCommonType<Ts, Us>...>; }
|
|
struct TBasicCommonType<TTuple<Ts...>, TTuple<Us...>>
|
|
{
|
|
using Type = TTuple<TCommonType<Ts, Us>...>;
|
|
};
|
|
|
|
template <typename... Ts, typename... Us, template<typename> typename TQualifiers, template<typename> typename UQualifiers>
|
|
requires requires { typename TTuple<TCommonReference<TQualifiers<Ts>, UQualifiers<Us>>...>; }
|
|
struct TBasicCommonReference<TTuple<Ts...>, TTuple<Us...>, TQualifiers, UQualifiers>
|
|
{
|
|
using Type = TTuple<TCommonReference<TQualifiers<Ts>, UQualifiers<Us>>...>;
|
|
};
|
|
|
|
NAMESPACE_MODULE_END(Utility)
|
|
NAMESPACE_MODULE_END(Redcraft)
|
|
NAMESPACE_REDCRAFT_END
|
|
|
|
NAMESPACE_STD_BEGIN
|
|
|
|
// Support structure binding, should not be directly used
|
|
template <typename... Types> struct tuple_size<NAMESPACE_REDCRAFT::TTuple<Types...>> : integral_constant<size_t, NAMESPACE_REDCRAFT::TTupleArity<NAMESPACE_REDCRAFT::TTuple<Types...>>> { };
|
|
template <size_t I, typename... Types> struct tuple_element<I, NAMESPACE_REDCRAFT::TTuple<Types...>> { using type = NAMESPACE_REDCRAFT::TTupleElement<I, NAMESPACE_REDCRAFT::TTuple<Types...>>; };
|
|
|
|
NAMESPACE_STD_END
|
|
|
|
NAMESPACE_REDCRAFT_BEGIN
|
|
NAMESPACE_MODULE_BEGIN(Redcraft)
|
|
NAMESPACE_MODULE_BEGIN(Utility)
|
|
|
|
// Support structure binding, should not be directly used
|
|
template <size_t Index, typename ...Types> constexpr decltype(auto) get( TTuple<Types...>& InValue) { return static_cast< TTuple<Types...>& >(InValue).template GetValue<Index>(); }
|
|
template <size_t Index, typename ...Types> constexpr decltype(auto) get(const TTuple<Types...>& InValue) { return static_cast<const TTuple<Types...>& >(InValue).template GetValue<Index>(); }
|
|
template <size_t Index, typename ...Types> constexpr decltype(auto) get( volatile TTuple<Types...>& InValue) { return static_cast< volatile TTuple<Types...>& >(InValue).template GetValue<Index>(); }
|
|
template <size_t Index, typename ...Types> constexpr decltype(auto) get(const volatile TTuple<Types...>& InValue) { return static_cast<const volatile TTuple<Types...>& >(InValue).template GetValue<Index>(); }
|
|
template <size_t Index, typename ...Types> constexpr decltype(auto) get( TTuple<Types...>&& InValue) { return static_cast< TTuple<Types...>&&>(InValue).template GetValue<Index>(); }
|
|
template <size_t Index, typename ...Types> constexpr decltype(auto) get(const TTuple<Types...>&& InValue) { return static_cast<const TTuple<Types...>&&>(InValue).template GetValue<Index>(); }
|
|
template <size_t Index, typename ...Types> constexpr decltype(auto) get( volatile TTuple<Types...>&& InValue) { return static_cast< volatile TTuple<Types...>&&>(InValue).template GetValue<Index>(); }
|
|
template <size_t Index, typename ...Types> constexpr decltype(auto) get(const volatile TTuple<Types...>&& InValue) { return static_cast<const volatile TTuple<Types...>&&>(InValue).template GetValue<Index>(); }
|
|
|
|
NAMESPACE_MODULE_END(Utility)
|
|
NAMESPACE_MODULE_END(Redcraft)
|
|
NAMESPACE_REDCRAFT_END
|