Redcraft/Redcraft.Utility/Source/Public/Templates/Tuple.h

606 lines
39 KiB
C++

#pragma once
#include "CoreTypes.h"
#include "Templates/Invoke.h"
#include "Templates/Utility.h"
#include "Templates/TypeHash.h"
#include "TypeTraits/TypeTraits.h"
#include "Templates/IntegerSequence.h"
#include "Templates/ReferenceWrapper.h"
#include <tuple>
NAMESPACE_REDCRAFT_BEGIN
NAMESPACE_MODULE_BEGIN(Redcraft)
NAMESPACE_MODULE_BEGIN(Utility)
#define RS_TUPLE_ELEMENT_STATIC_ALIAS 1
template <typename... Types>
struct TTuple;
NAMESPACE_PRIVATE_BEGIN
struct FForwardingConstructor { explicit FForwardingConstructor() = default; };
struct FOtherTupleConstructor { explicit FOtherTupleConstructor() = default; };
inline constexpr FForwardingConstructor ForwardingConstructor{ };
inline constexpr FOtherTupleConstructor OtherTupleConstructor{ };
template <typename T, typename... Types>
struct TTupleElementIndex;
template <typename T, typename U, typename... Types>
struct TTupleElementIndex<T, U, Types...>
: TConstant<size_t, TIsSame<T, U>::Value ? 0 : (TTupleElementIndex<T, Types...>::Value == INDEX_NONE
? INDEX_NONE : TTupleElementIndex<T, Types...>::Value + 1)>
{ };
template <typename T>
struct TTupleElementIndex<T> : TConstant<size_t, INDEX_NONE> { };
template <size_t I, typename... Types>
struct TTupleElementType;
template <size_t I, typename T, typename... Types>
struct TTupleElementType<I, T, Types...>
{
static_assert(I < sizeof...(Types) + 1, "Tuple type index is invalid");
using Type = TTupleElementType<I - 1, Types...>::Type;
};
template <typename T, typename... Types>
struct TTupleElementType<0, T, Types...> { using Type = T; };
template <>
struct TTupleElementType<0> { };
template <typename T, size_t Index>
struct TTupleElement
{
private:
using ValueType = T;
ValueType Value;
public:
template <typename Type>
constexpr TTupleElement(Type&& Arg)
: Value(Forward<Type>(Arg))
{ }
TTupleElement() = default;
TTupleElement(TTupleElement&&) = default;
TTupleElement(const TTupleElement&) = default;
TTupleElement& operator=(TTupleElement&&) = default;
TTupleElement& operator=(const TTupleElement&) = default;
constexpr T& GetValue() & { return static_cast< T& >(Value); }
constexpr const T& GetValue() const & { return static_cast<const T& >(Value); }
constexpr volatile T& GetValue() volatile& { return static_cast< volatile T& >(Value); }
constexpr const volatile T& GetValue() const volatile& { return static_cast<const volatile T& >(Value); }
constexpr T&& GetValue() && { return static_cast< T&&>(Value); }
constexpr const T&& GetValue() const && { return static_cast<const T&&>(Value); }
constexpr volatile T&& GetValue() volatile&& { return static_cast< volatile T&&>(Value); }
constexpr const volatile T&& GetValue() const volatile&& { return static_cast<const volatile T&&>(Value); }
};
#if RS_TUPLE_ELEMENT_STATIC_ALIAS
#define DEFINE_TTupleElement(Index, Name) \
template <typename T> \
struct TTupleElement<T, Index> \
{ \
using Name##Type = T; \
Name##Type Name; \
\
template <typename Type> \
constexpr TTupleElement(Type&& Arg) \
: Name(Forward<Type>(Arg)) \
{ } \
\
TTupleElement() = default; \
TTupleElement(TTupleElement&&) = default; \
TTupleElement(const TTupleElement&) = default; \
TTupleElement& operator=(TTupleElement&&) = default; \
TTupleElement& operator=(const TTupleElement&) = default; \
\
constexpr T& GetValue() & { return static_cast< T& >(Name); } \
constexpr const T& GetValue() const & { return static_cast<const T& >(Name); } \
constexpr volatile T& GetValue() volatile& { return static_cast< volatile T& >(Name); } \
constexpr const volatile T& GetValue() const volatile& { return static_cast<const volatile T& >(Name); } \
constexpr T&& GetValue() && { return static_cast< T&&>(Name); } \
constexpr const T&& GetValue() const && { return static_cast<const T&&>(Name); } \
constexpr volatile T&& GetValue() volatile&& { return static_cast< volatile T&&>(Name); } \
constexpr const volatile T&& GetValue() const volatile&& { return static_cast<const volatile T&&>(Name); } \
}
DEFINE_TTupleElement(0x0, First);
DEFINE_TTupleElement(0x1, Second);
DEFINE_TTupleElement(0x2, Third);
DEFINE_TTupleElement(0x3, Fourth);
DEFINE_TTupleElement(0x4, Fifth);
DEFINE_TTupleElement(0x5, Sixth);
DEFINE_TTupleElement(0x6, Seventh);
DEFINE_TTupleElement(0x7, Eighth);
DEFINE_TTupleElement(0x8, Ninth);
DEFINE_TTupleElement(0x9, Tenth);
DEFINE_TTupleElement(0xA, Eleventh);
DEFINE_TTupleElement(0xB, Twelfth);
DEFINE_TTupleElement(0xC, Thirteenth);
DEFINE_TTupleElement(0xD, Fourteenth);
DEFINE_TTupleElement(0xE, Fifteenth);
DEFINE_TTupleElement(0xF, Sixteenth);
#undef DEFINE_TTupleElement
#endif
template <typename... Types>
constexpr TTuple<typename TUnwrapRefDecay<Types>::Type...> MakeTupleImpl(Types&&... Args)
{
return TTuple<typename TUnwrapRefDecay<Types>::Type...>(Forward<Types>(Args)...);
}
template <typename Indices, typename... Types>
struct TTupleImpl;
template <size_t... Indices, typename... Types>
struct TTupleImpl<TIndexSequence<Indices...>, Types...> : TTupleElement<Types, Indices>...
{
protected:
TTupleImpl() = default;
template <typename... ArgTypes>
explicit TTupleImpl(FForwardingConstructor, ArgTypes&&... Args)
: TTupleElement<Types, Indices>(Forward<ArgTypes>(Args))...
{ }
template <typename TupleType>
explicit TTupleImpl(FOtherTupleConstructor, TupleType&& InValue)
: TTupleElement<Types, Indices>(Forward<TupleType>(InValue).template GetValue<Indices>())...
{ }
TTupleImpl(const TTupleImpl&) = default;
TTupleImpl(TTupleImpl&&) = default;
TTupleImpl& operator=(const TTupleImpl&) = default;
TTupleImpl& operator=(TTupleImpl&&) = default;
};
template <typename Indices, typename... Types>
struct TTupleHelper;
template <size_t... Indices>
struct TTupleHelper<TIndexSequence<Indices...>>
{
template <typename LHSTupleType, typename RHSTupleType>
static constexpr void Assign(LHSTupleType& LHS, RHSTupleType&& RHS)
{
static_assert(sizeof...(Indices) == LHS.ElementSize && LHS.ElementSize == RHS.ElementSize, "Cannot assign tuple from different size");
((LHS.template GetValue<Indices>() = Forward<RHSTupleType>(RHS).template GetValue<Indices>()), ...);
}
template <typename F, typename TTupleType>
static constexpr auto Apply(F&& Func, TTupleType&& Arg)
{
return Invoke(Forward<F>(Func), Forward<TTupleType>(Arg).template GetValue<Indices>()...);
}
template <typename F, typename TTupleType, typename... ArgTypes>
static constexpr auto ApplyAfter(F&& Func, TTupleType&& Arg, ArgTypes&&... OtherArgs)
{
return Invoke(Forward<F>(Func), Forward<ArgTypes>(OtherArgs)..., Forward<TTupleType>(Arg).template GetValue<Indices>()...);
}
template <typename F, typename TTupleType, typename... ArgTypes>
static constexpr auto ApplyBefore(F&& Func, TTupleType&& Arg, ArgTypes&&... OtherArgs)
{
return Invoke(Forward<F>(Func), Forward<TTupleType>(Arg).template GetValue<Indices>()..., Forward<ArgTypes>(OtherArgs)...);
}
template <typename F, typename TTupleType>
static constexpr auto Transform(F&& Func, TTupleType&& Arg)
{
return MakeTupleImpl(Invoke(Forward<F>(Func), Forward<TTupleType>(Arg).template GetValue<Indices>())...);
}
template <typename T, typename TTupleType>
static constexpr T Construct(TTupleType&& Arg)
{
return T(Forward<TTupleType>(Arg).template GetValue<Indices>()...);
}
};
NAMESPACE_PRIVATE_END
template <typename... Types>
struct TTuple : NAMESPACE_PRIVATE::TTupleImpl<TIndexSequenceFor<Types...>, Types...>
{
private:
using Super = NAMESPACE_PRIVATE::TTupleImpl<TIndexSequenceFor<Types...>, Types...>;
using Helper = NAMESPACE_PRIVATE::TTupleHelper<TIndexSequenceFor<Types...>>;
public:
static constexpr size_t ElementSize = sizeof...(Types);
template <size_t I> struct TElementType : NAMESPACE_PRIVATE::TTupleElementType<I, Types...> { };
template <typename T> struct TElementIndex : NAMESPACE_PRIVATE::TTupleElementIndex<T, Types...> { };
TTuple() = default;
template <typename... ArgTypes> requires (ElementSize > 0) && (sizeof...(ArgTypes) == ElementSize)
&& (true && ... && CConstructible<Types, ArgTypes&&>)
&& (true && ... && TIsConvertible<ArgTypes&&, Types>::Value)
constexpr TTuple(ArgTypes&&... Args)
: Super(NAMESPACE_PRIVATE::ForwardingConstructor, Forward<ArgTypes>(Args)...)
{ }
template <typename... ArgTypes> requires (ElementSize > 0) && (sizeof...(ArgTypes) == ElementSize)
&& (true && ... && CConstructible<Types, ArgTypes&&>)
&& (!(true && ... && TIsConvertible<ArgTypes&&, Types>::Value))
constexpr explicit TTuple(ArgTypes&&... Args)
: Super(NAMESPACE_PRIVATE::ForwardingConstructor, Forward<ArgTypes>(Args)...)
{ }
template <typename... OtherTypes> requires (sizeof...(OtherTypes) == ElementSize)
&& (true && ... && CConstructible<Types, const OtherTypes&>)
&& ((ElementSize != 1) || !(TIsConvertible<const TTuple<OtherTypes...>&, typename TElementType<0>::Type>::Value
|| CConstructible<typename TElementType<0>::Type, const TTuple<OtherTypes...>&>
|| TIsSame<typename TElementType<0>::Type, typename TTuple<OtherTypes...>::template TElementType<0>::Type>::Value))
&& (true && ... && TIsConvertible<OtherTypes&&, Types>::Value)
constexpr TTuple(const TTuple<OtherTypes...>& InValue)
: Super(NAMESPACE_PRIVATE::OtherTupleConstructor, InValue)
{ }
template <typename... OtherTypes> requires (sizeof...(OtherTypes) == ElementSize)
&& (true && ... && CConstructible<Types, const OtherTypes&>)
&& ((ElementSize != 1) || !(TIsConvertible<const TTuple<OtherTypes...>&, typename TElementType<0>::Type>::Value
|| CConstructible<typename TElementType<0>::Type, const TTuple<OtherTypes...>&>
|| TIsSame<typename TElementType<0>::Type, typename TTuple<OtherTypes...>::template TElementType<0>::Type>::Value))
&& (!(true && ... && TIsConvertible<OtherTypes&&, Types>::Value))
constexpr explicit TTuple(const TTuple<OtherTypes...>& InValue)
: Super(NAMESPACE_PRIVATE::OtherTupleConstructor, InValue)
{ }
template <typename... OtherTypes> requires (sizeof...(OtherTypes) == ElementSize)
&& (true && ... && CConstructible<Types, OtherTypes&&>)
&& ((ElementSize != 1) || !(TIsConvertible<TTuple<OtherTypes...>&&, typename TElementType<0>::Type>::Value
|| CConstructible<typename TElementType<0>::Type, TTuple<OtherTypes...>&&>
|| TIsSame<typename TElementType<0>::Type, typename TTuple<OtherTypes...>::template TElementType<0>::Type>::Value))
&& (true && ... && TIsConvertible<OtherTypes&&, Types>::Value)
constexpr TTuple(TTuple<OtherTypes...>&& InValue)
: Super(NAMESPACE_PRIVATE::OtherTupleConstructor, MoveTemp(InValue))
{ }
template <typename... OtherTypes> requires (sizeof...(OtherTypes) == ElementSize)
&& (true && ... && CConstructible<Types, OtherTypes&&>)
&& ((ElementSize != 1) || !(TIsConvertible<TTuple<OtherTypes...>&&, typename TElementType<0>::Type>::Value
|| CConstructible<typename TElementType<0>::Type, TTuple<OtherTypes...>&&>
|| TIsSame<typename TElementType<0>::Type, typename TTuple<OtherTypes...>::template TElementType<0>::Type>::Value))
&& (!(true && ... && TIsConvertible<OtherTypes&&, Types>::Value))
constexpr explicit TTuple(TTuple<OtherTypes...>&& InValue)
: Super(NAMESPACE_PRIVATE::OtherTupleConstructor, MoveTemp(InValue))
{ }
TTuple(const TTuple&) = default;
TTuple(TTuple&&) = default;
template <typename... OtherTypes> requires (sizeof...(OtherTypes) == ElementSize)
&& (true && ... && CAssignable<Types&, const OtherTypes&>)
constexpr TTuple& operator=(const TTuple<OtherTypes...>& InValue)
{
Helper::Assign(*this, InValue);
return *this;
}
template <typename... OtherTypes> requires (sizeof...(OtherTypes) == ElementSize)
&& (true && ... && CAssignable<Types&, OtherTypes&&>)
constexpr TTuple& operator=(TTuple<OtherTypes...>&& InValue)
{
Helper::Assign(*this, MoveTemp(InValue));
return *this;
}
TTuple& operator=(const TTuple&) = default;
TTuple& operator=(TTuple&&) = default;
template <size_t I> requires (I < ElementSize) constexpr TElementType<I>::Type& GetValue() & { return static_cast< NAMESPACE_PRIVATE::TTupleElement<typename TElementType<I>::Type, I>& >(*this).GetValue(); }
template <size_t I> requires (I < ElementSize) constexpr const TElementType<I>::Type& GetValue() const & { return static_cast<const NAMESPACE_PRIVATE::TTupleElement<typename TElementType<I>::Type, I>& >(*this).GetValue(); }
template <size_t I> requires (I < ElementSize) constexpr volatile TElementType<I>::Type& GetValue() volatile& { return static_cast< volatile NAMESPACE_PRIVATE::TTupleElement<typename TElementType<I>::Type, I>& >(*this).GetValue(); }
template <size_t I> requires (I < ElementSize) constexpr const volatile TElementType<I>::Type& GetValue() const volatile& { return static_cast<const volatile NAMESPACE_PRIVATE::TTupleElement<typename TElementType<I>::Type, I>& >(*this).GetValue(); }
template <size_t I> requires (I < ElementSize) constexpr TElementType<I>::Type&& GetValue() && { return static_cast< NAMESPACE_PRIVATE::TTupleElement<typename TElementType<I>::Type, I>&&>(*this).GetValue(); }
template <size_t I> requires (I < ElementSize) constexpr const TElementType<I>::Type&& GetValue() const && { return static_cast<const NAMESPACE_PRIVATE::TTupleElement<typename TElementType<I>::Type, I>&&>(*this).GetValue(); }
template <size_t I> requires (I < ElementSize) constexpr volatile TElementType<I>::Type&& GetValue() volatile&& { return static_cast< volatile NAMESPACE_PRIVATE::TTupleElement<typename TElementType<I>::Type, I>&&>(*this).GetValue(); }
template <size_t I> requires (I < ElementSize) constexpr const volatile TElementType<I>::Type&& GetValue() const volatile&& { return static_cast<const volatile NAMESPACE_PRIVATE::TTupleElement<typename TElementType<I>::Type, I>&&>(*this).GetValue(); }
template <typename T> requires (TElementIndex<T>::Value != INDEX_NONE) constexpr T& GetValue() & { return static_cast< TTuple& >(*this).GetValue<TElementIndex<T>::Value>(); }
template <typename T> requires (TElementIndex<T>::Value != INDEX_NONE) constexpr const T& GetValue() const & { return static_cast<const TTuple& >(*this).GetValue<TElementIndex<T>::Value>(); }
template <typename T> requires (TElementIndex<T>::Value != INDEX_NONE) constexpr volatile T& GetValue() volatile& { return static_cast< volatile TTuple& >(*this).GetValue<TElementIndex<T>::Value>(); }
template <typename T> requires (TElementIndex<T>::Value != INDEX_NONE) constexpr const volatile T& GetValue() const volatile& { return static_cast<const volatile TTuple& >(*this).GetValue<TElementIndex<T>::Value>(); }
template <typename T> requires (TElementIndex<T>::Value != INDEX_NONE) constexpr T&& GetValue() && { return static_cast< TTuple&&>(*this).GetValue<TElementIndex<T>::Value>(); }
template <typename T> requires (TElementIndex<T>::Value != INDEX_NONE) constexpr const T&& GetValue() const && { return static_cast<const TTuple&&>(*this).GetValue<TElementIndex<T>::Value>(); }
template <typename T> requires (TElementIndex<T>::Value != INDEX_NONE) constexpr volatile T&& GetValue() volatile&& { return static_cast< volatile TTuple&&>(*this).GetValue<TElementIndex<T>::Value>(); }
template <typename T> requires (TElementIndex<T>::Value != INDEX_NONE) constexpr const volatile T&& GetValue() const volatile&& { return static_cast<const volatile TTuple&&>(*this).GetValue<TElementIndex<T>::Value>(); }
template <typename F> requires TIsInvocable<F, Types...>::Value constexpr auto Apply(F&& Func) & { return Helper::Apply(Forward<F>(Func), static_cast< TTuple& >(*this)); }
template <typename F> requires TIsInvocable<F, Types...>::Value constexpr auto Apply(F&& Func) const & { return Helper::Apply(Forward<F>(Func), static_cast<const TTuple& >(*this)); }
template <typename F> requires TIsInvocable<F, Types...>::Value constexpr auto Apply(F&& Func) volatile& { return Helper::Apply(Forward<F>(Func), static_cast< volatile TTuple& >(*this)); }
template <typename F> requires TIsInvocable<F, Types...>::Value constexpr auto Apply(F&& Func) const volatile& { return Helper::Apply(Forward<F>(Func), static_cast<const volatile TTuple& >(*this)); }
template <typename F> requires TIsInvocable<F, Types...>::Value constexpr auto Apply(F&& Func) && { return Helper::Apply(Forward<F>(Func), static_cast< TTuple&&>(*this)); }
template <typename F> requires TIsInvocable<F, Types...>::Value constexpr auto Apply(F&& Func) const && { return Helper::Apply(Forward<F>(Func), static_cast<const TTuple&&>(*this)); }
template <typename F> requires TIsInvocable<F, Types...>::Value constexpr auto Apply(F&& Func) volatile&& { return Helper::Apply(Forward<F>(Func), static_cast< volatile TTuple&&>(*this)); }
template <typename F> requires TIsInvocable<F, Types...>::Value constexpr auto Apply(F&& Func) const volatile&& { return Helper::Apply(Forward<F>(Func), static_cast<const volatile TTuple&&>(*this)); }
template <typename F, typename... ArgTypes> requires TIsInvocable<F, ArgTypes..., Types...>::Value constexpr 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 TIsInvocable<F, ArgTypes..., Types...>::Value constexpr 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 TIsInvocable<F, ArgTypes..., Types...>::Value constexpr 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 TIsInvocable<F, ArgTypes..., Types...>::Value constexpr 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 TIsInvocable<F, ArgTypes..., Types...>::Value constexpr 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 TIsInvocable<F, ArgTypes..., Types...>::Value constexpr 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 TIsInvocable<F, ArgTypes..., Types...>::Value constexpr 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 TIsInvocable<F, ArgTypes..., Types...>::Value constexpr 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 TIsInvocable<F, Types..., ArgTypes...>::Value constexpr 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 TIsInvocable<F, Types..., ArgTypes...>::Value constexpr 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 TIsInvocable<F, Types..., ArgTypes...>::Value constexpr 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 TIsInvocable<F, Types..., ArgTypes...>::Value constexpr 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 TIsInvocable<F, Types..., ArgTypes...>::Value constexpr 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 TIsInvocable<F, Types..., ArgTypes...>::Value constexpr 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 TIsInvocable<F, Types..., ArgTypes...>::Value constexpr 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 TIsInvocable<F, Types..., ArgTypes...>::Value constexpr 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 && ... && (TIsInvocable<F, Types>::Value && !TIsSame<void, typename TInvokeResult<F, Types>::Type>::Value)) constexpr auto Transform(F&& Func) & { return Helper::Transform(Forward<F>(Func), static_cast< TTuple& >(*this)); }
template <typename F> requires (true && ... && (TIsInvocable<F, Types>::Value && !TIsSame<void, typename TInvokeResult<F, Types>::Type>::Value)) constexpr auto Transform(F&& Func) const & { return Helper::Transform(Forward<F>(Func), static_cast<const TTuple& >(*this)); }
template <typename F> requires (true && ... && (TIsInvocable<F, Types>::Value && !TIsSame<void, typename TInvokeResult<F, Types>::Type>::Value)) constexpr auto Transform(F&& Func) volatile& { return Helper::Transform(Forward<F>(Func), static_cast< volatile TTuple& >(*this)); }
template <typename F> requires (true && ... && (TIsInvocable<F, Types>::Value && !TIsSame<void, typename TInvokeResult<F, Types>::Type>::Value)) constexpr auto Transform(F&& Func) const volatile& { return Helper::Transform(Forward<F>(Func), static_cast<const volatile TTuple& >(*this)); }
template <typename F> requires (true && ... && (TIsInvocable<F, Types>::Value && !TIsSame<void, typename TInvokeResult<F, Types>::Type>::Value)) constexpr auto Transform(F&& Func) && { return Helper::Transform(Forward<F>(Func), static_cast< TTuple&&>(*this)); }
template <typename F> requires (true && ... && (TIsInvocable<F, Types>::Value && !TIsSame<void, typename TInvokeResult<F, Types>::Type>::Value)) constexpr auto Transform(F&& Func) const && { return Helper::Transform(Forward<F>(Func), static_cast<const TTuple&&>(*this)); }
template <typename F> requires (true && ... && (TIsInvocable<F, Types>::Value && !TIsSame<void, typename TInvokeResult<F, Types>::Type>::Value)) constexpr auto Transform(F&& Func) volatile&& { return Helper::Transform(Forward<F>(Func), static_cast< volatile TTuple&&>(*this)); }
template <typename F> requires (true && ... && (TIsInvocable<F, Types>::Value && !TIsSame<void, typename TInvokeResult<F, Types>::Type>::Value)) constexpr auto Transform(F&& Func) const volatile&& { return Helper::Transform(Forward<F>(Func), static_cast<const volatile TTuple&&>(*this)); }
template <typename T> requires CConstructible<T, Types...> constexpr T Construct() & { return Helper::template Construct<T>(static_cast< TTuple& >(*this)); }
template <typename T> requires CConstructible<T, Types...> constexpr T Construct() const & { return Helper::template Construct<T>(static_cast<const TTuple& >(*this)); }
template <typename T> requires CConstructible<T, Types...> constexpr T Construct() volatile& { return Helper::template Construct<T>(static_cast< volatile TTuple& >(*this)); }
template <typename T> requires CConstructible<T, Types...> constexpr T Construct() const volatile& { return Helper::template Construct<T>(static_cast<const volatile TTuple& >(*this)); }
template <typename T> requires CConstructible<T, Types...> constexpr T Construct() && { return Helper::template Construct<T>(static_cast< TTuple&&>(*this)); }
template <typename T> requires CConstructible<T, Types...> constexpr T Construct() const && { return Helper::template Construct<T>(static_cast<const TTuple&&>(*this)); }
template <typename T> requires CConstructible<T, Types...> constexpr T Construct() volatile&& { return Helper::template Construct<T>(static_cast< volatile TTuple&&>(*this)); }
template <typename T> requires CConstructible<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<ElementSize>());
}
constexpr void Swap(TTuple& InValue) requires (true && ... && (CMoveConstructible<Types>&& TIsSwappable<Types>::Value))
{
[&A = *this, &B = InValue]<size_t... Indices>(TIndexSequence<Indices...>) { ((NAMESPACE_REDCRAFT::Swap(A.template GetValue<Indices>(), B.template GetValue<Indices>())), ...); } (TMakeIndexSequence<ElementSize>());
}
};
template <typename... Types>
TTuple(Types...) -> TTuple<Types...>;
template <typename T, typename U>
using TPair = TTuple<T, U>;
template <typename T > struct TIsTTuple : FFalse { };
template <typename... Types> struct TIsTTuple<TTuple<Types...>> : FTrue { };
template <typename TupleType> requires TIsTTuple<typename TRemoveCVRef<TupleType>::Type>::Value
struct TTupleElementSize : TConstant<size_t, TRemoveCVRef<TupleType>::Type::ElementSize> { };
template <size_t I, typename TupleType> requires TIsTTuple<typename TRemoveCVRef<TupleType>::Type>::Value
struct TTupleElementType { using Type = typename TCopyCVRef<typename TRemoveReference<TupleType>::Type, typename TRemoveCVRef<TupleType>::Type::template TElementType<I>::Type>::Type; };
template <typename T, typename TupleType> requires TIsTTuple<typename TRemoveCVRef<TupleType>::Type>::Value
struct TTupleElementIndex : TupleType::template TElementIndex<T> { };
template <typename... Types>
constexpr TTuple<typename TUnwrapRefDecay<Types>::Type...> MakeTuple(Types&&... Args)
{
return TTuple<typename TUnwrapRefDecay<Types>::Type...>(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 = typename TConditional<CRValueReference<T>, typename TRemoveReference<U>::Type&&, U>::Type; };
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 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 auto F(ForwardType&& ForwardTuple, TTupleType&& InValue, OtherTTupleTypes&&... OtherValue)
{
return F(TTupleCatForward<TMakeIndexSequence<TTupleElementSize<ForwardType>::Value>, TMakeIndexSequence<TTupleElementSize<TTupleType>::Value>>::F(Forward<ForwardType>(ForwardTuple), Forward<TTupleType>(InValue)), Forward<OtherTTupleTypes>(OtherValue)...);
}
template <typename ForwardType>
static constexpr auto F(ForwardType&& ForwardTuple)
{
return TTupleCatMake<R, TMakeIndexSequence<TTupleElementSize<ForwardType>::Value>>::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 && ... && (TIsTTuple<typename TRemoveCVRef<TTupleTypes>::Type>::Value))
struct TTupleCatResult { using Type = typename NAMESPACE_PRIVATE::TTupleCatResultImpl<typename TRemoveReference<TTupleTypes>::Type..., NAMESPACE_PRIVATE::FTupleEndFlag>::Type; };
template <typename... TTupleTypes> requires (true && ... && (TIsTTuple<typename TRemoveCVRef<TTupleTypes>::Type>::Value))
constexpr auto TupleCat(TTupleTypes&&... Args)
{
using R = typename TTupleCatResult<TTupleTypes...>::Type;
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 && ... && CWeaklyEqualityComparableWith<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 && ... && (CSynthThreeWayComparableWith<LHSTypes, RHSTypes>)))
constexpr typename TCommonComparisonCategory<typename TSynthThreeWayResult<LHSTypes, RHSTypes>::Type...>::Type operator<=>(const TTuple<LHSTypes...>& LHS, const TTuple<RHSTypes...>& RHS)
{
using R = typename TCommonComparisonCategory<typename TSynthThreeWayResult<LHSTypes, RHSTypes>::Type...>::Type;
return NAMESPACE_PRIVATE::TTupleThreeWay<R, TMakeIndexSequence<sizeof...(LHSTypes)>>::F(LHS, RHS);
}
template <typename F> requires TIsInvocable<F>::Value
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<TTupleElementSize<FirstTupleType>::Value>>::F(Forward<F>(Func), Forward<FirstTupleType>(FirstTuple), Forward<TupleTypes>(Tuples)...);
}
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::TTupleElementSize<NAMESPACE_REDCRAFT::TTuple<Types...>>::Value> { };
template <size_t I, typename... Types> struct tuple_element<I, NAMESPACE_REDCRAFT::TTuple<Types...>> { using type = typename NAMESPACE_REDCRAFT::TTupleElementType<I, NAMESPACE_REDCRAFT::TTuple<Types...>>::Type; };
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 typename TTupleElementType<Index, NAMESPACE_REDCRAFT::TTuple<Types...>>::Type& get( NAMESPACE_REDCRAFT::TTuple<Types...>& InValue) { return static_cast< typename TTupleElementType<Index, NAMESPACE_REDCRAFT::TTuple<Types...>>::Type& >(InValue.template GetValue<Index>()); }
template <size_t Index, typename ...Types> constexpr const typename TTupleElementType<Index, NAMESPACE_REDCRAFT::TTuple<Types...>>::Type& get(const NAMESPACE_REDCRAFT::TTuple<Types...>& InValue) { return static_cast<const typename TTupleElementType<Index, NAMESPACE_REDCRAFT::TTuple<Types...>>::Type& >(InValue.template GetValue<Index>()); }
template <size_t Index, typename ...Types> constexpr volatile typename TTupleElementType<Index, NAMESPACE_REDCRAFT::TTuple<Types...>>::Type& get( volatile NAMESPACE_REDCRAFT::TTuple<Types...>& InValue) { return static_cast< volatile typename TTupleElementType<Index, NAMESPACE_REDCRAFT::TTuple<Types...>>::Type& >(InValue.template GetValue<Index>()); }
template <size_t Index, typename ...Types> constexpr const volatile typename TTupleElementType<Index, NAMESPACE_REDCRAFT::TTuple<Types...>>::Type& get(const volatile NAMESPACE_REDCRAFT::TTuple<Types...>& InValue) { return static_cast<const volatile typename TTupleElementType<Index, NAMESPACE_REDCRAFT::TTuple<Types...>>::Type& >(InValue.template GetValue<Index>()); }
template <size_t Index, typename ...Types> constexpr typename TTupleElementType<Index, NAMESPACE_REDCRAFT::TTuple<Types...>>::Type&& get( NAMESPACE_REDCRAFT::TTuple<Types...>&& InValue) { return static_cast< typename TTupleElementType<Index, NAMESPACE_REDCRAFT::TTuple<Types...>>::Type&&>(InValue.template GetValue<Index>()); }
template <size_t Index, typename ...Types> constexpr const typename TTupleElementType<Index, NAMESPACE_REDCRAFT::TTuple<Types...>>::Type&& get(const NAMESPACE_REDCRAFT::TTuple<Types...>&& InValue) { return static_cast<const typename TTupleElementType<Index, NAMESPACE_REDCRAFT::TTuple<Types...>>::Type&&>(InValue.template GetValue<Index>()); }
template <size_t Index, typename ...Types> constexpr volatile typename TTupleElementType<Index, NAMESPACE_REDCRAFT::TTuple<Types...>>::Type&& get( volatile NAMESPACE_REDCRAFT::TTuple<Types...>&& InValue) { return static_cast< volatile typename TTupleElementType<Index, NAMESPACE_REDCRAFT::TTuple<Types...>>::Type&&>(InValue.template GetValue<Index>()); }
template <size_t Index, typename ...Types> constexpr const volatile typename TTupleElementType<Index, NAMESPACE_REDCRAFT::TTuple<Types...>>::Type&& get(const volatile NAMESPACE_REDCRAFT::TTuple<Types...>&& InValue) { return static_cast<const volatile typename TTupleElementType<Index, NAMESPACE_REDCRAFT::TTuple<Types...>>::Type&&>(InValue.template GetValue<Index>()); }
NAMESPACE_MODULE_END(Utility)
NAMESPACE_MODULE_END(Redcraft)
NAMESPACE_REDCRAFT_END