TVariantMeta.h File Reference

#include "Templates/MemoryOps.h"
#include "Templates/TypeCompatibleBytes.h"
#include "Templates/UnrealTemplate.h"
#include "Templates/UnrealTypeTraits.h"
#include "Delegates/IntegerSequence.h"
#include "Concepts/Insertable.h"
#include "Misc/AssertionMacros.h"

Go to the source code of this file.

Classes
struct	UE::Core::Private::TAlwaysFArchive< T >
struct	UE::Core::Private::TTypePackContainsDuplicates< T >
struct	UE::Core::Private::TTypePackContainsDuplicates< T, T, Ts... >
struct	UE::Core::Private::TTypePackContainsDuplicates< T, U, Rest... >
struct	UE::Core::Private::TContainsReferenceType< Ts >
struct	UE::Core::Private::TVariantStorage< Ts >
struct	UE::Core::Private::TParameterPackTypeIndexHelper< N, LookupType, Ts >
struct	UE::Core::Private::TParameterPackTypeIndexHelper< N, T, T, Ts... >
struct	UE::Core::Private::TParameterPackTypeIndexHelper< N, LookupType, T, Ts... >
struct	UE::Core::Private::TParameterPackTypeIndex< LookupType, Ts >
struct	UE::Core::Private::TDestructorCaller< T >
struct	UE::Core::Private::TDestructorLookup< Ts >
struct	UE::Core::Private::TCopyConstructorCaller< T >
struct	UE::Core::Private::TCopyConstructorLookup< Ts >
struct	UE::Core::Private::TMoveConstructorCaller< T >
struct	UE::Core::Private::TMoveConstructorLookup< Ts >
struct	UE::Core::Private::TVariantLoadFromArchiveCaller< T, VariantType >
struct	UE::Core::Private::TVariantLoadFromArchiveLookup< Ts >
struct	UE::Core::Private::TIsType< LookupType, Ts >
struct	UE::Core::Private::TWrapper< InvokeFn, VariantIndices >
struct	UE::Core::Private::TDestructibleVariantStorage< T, Ts >

Namespaces
namespace	UE
namespace	UE::Core
namespace	UE::Core::Private
	implementation

Functions
template<typename T >
struct	UE_DEPRECATED (5.4, "TIsVariant<T> has been deprecated, please use TIsVariant_V<std::remove_reference_t<T>> instead") TIsVariant
template<typename T >
struct	UE_DEPRECATED (5.4, "TVariantSize<T> has been deprecated, please use TVariantSize_V<std::remove_reference_t<T>> instead") TVariantSize
template<typename T >
SIZE_T	UE::Core::Private::EncodeIndices (const T &Variant)
template<typename Variant0 , typename... Variants>
SIZE_T	UE::Core::Private::EncodeIndices (const Variant0 &First, const Variants &... Rest)
constexpr SIZE_T	UE::Core::Private::DecodeIndex (SIZE_T EncodedIndex, SIZE_T VariantIndex, const SIZE_T *VariantSizes)
template<typename... Ts>
UE_FORCEINLINE_HINT TVariantStorage< Ts... > &	UE::Core::Private::CastToStorage (TVariant< Ts... > &Variant)
template<typename... Ts>
UE_FORCEINLINE_HINT TVariantStorage< Ts... > &&	UE::Core::Private::CastToStorage (TVariant< Ts... > &&Variant)
template<typename... Ts>
UE_FORCEINLINE_HINT const TVariantStorage< Ts... > &	UE::Core::Private::CastToStorage (const TVariant< Ts... > &Variant)
template<SIZE_T EncodedIndex, SIZE_T... VariantIndices, typename Func , typename... Variants>
decltype(auto)	UE::Core::Private::VisitApplyEncoded (Func &&Callable, Variants &&... Args)
template<typename Func , SIZE_T... EncodedIndices, SIZE_T... VariantIndices, typename... Variants>
decltype(auto)	UE::Core::Private::VisitImpl (SIZE_T EncodedIndex, Func &&Callable, TIntegerSequence< SIZE_T, EncodedIndices... > &&, TIntegerSequence< SIZE_T, VariantIndices... > &&VariantIndicesSeq, Variants &&... Args)

Variables
template<typename T >
constexpr bool	TIsVariant_V = false
template<typename... Ts>
constexpr bool	TIsVariant_V< TVariant< Ts... > > = true
template<typename T >
constexpr bool	TIsVariant_V< const T > = TIsVariant_V<T>
template<typename T >
constexpr bool	TIsVariant_V< volatile T > = TIsVariant_V<T>
template<typename T >
constexpr bool	TIsVariant_V< const volatile T > = TIsVariant_V<T>
template<typename >
constexpr SIZE_T	TVariantSize_V = 0
template<typename... Ts>
constexpr SIZE_T	TVariantSize_V< TVariant< Ts... > > = sizeof...(Ts)
template<typename T >
constexpr SIZE_T	TVariantSize_V< const T > = TVariantSize_V<T>
template<typename T >
constexpr SIZE_T	TVariantSize_V< volatile T > = TVariantSize_V<T>
template<typename T >
constexpr SIZE_T	TVariantSize_V< const volatile T > = TVariantSize_V<T>

Function Documentation

UE_DEPRECATED() [1/2]

template<typename T >

struct UE_DEPRECATED	(	5.	4,
		"TIsVariant<T> has been	deprecated,
		please use TIsVariant_V< std::remove_reference_t< T > > instead"
	)

UE_DEPRECATED() [2/2]

template<typename T >

struct UE_DEPRECATED	(	5.	4,
		"TVariantSize<T> has been	deprecated,
		please use TVariantSize_V< std::remove_reference_t< T > > instead"
	)

Variable Documentation

TIsVariant_V

template<typename T >

constexpr bool TIsVariant_V = false

constexpr

Determine if a type is a variant

TIsVariant_V< const T >

template<typename T >

constexpr bool TIsVariant_V< const T > = TIsVariant_V<T>

constexpr

TIsVariant_V< const volatile T >

template<typename T >

constexpr bool TIsVariant_V< const volatile T > = TIsVariant_V<T>

constexpr

TIsVariant_V< TVariant< Ts... > >

template<typename... Ts>

constexpr bool TIsVariant_V< TVariant< Ts... > > = true

constexpr

TIsVariant_V< volatile T >

template<typename T >

constexpr bool TIsVariant_V< volatile T > = TIsVariant_V<T>

constexpr

TVariantSize_V

template<typename >

constexpr SIZE_T TVariantSize_V = 0

constexpr

Determine the number of types in a TVariant

TVariantSize_V< const T >

template<typename T >

constexpr SIZE_T TVariantSize_V< const T > = TVariantSize_V<T>

constexpr

TVariantSize_V< const volatile T >

template<typename T >

constexpr SIZE_T TVariantSize_V< const volatile T > = TVariantSize_V<T>

constexpr

TVariantSize_V< TVariant< Ts... > >

template<typename... Ts>

constexpr SIZE_T TVariantSize_V< TVariant< Ts... > > = sizeof...(Ts)

constexpr

TVariantSize_V< volatile T >

template<typename T >

constexpr SIZE_T TVariantSize_V< volatile T > = TVariantSize_V<T>

constexpr