Aws::Crt::Variant< Ts > Class Template Reference

#include <Variant.h>

Public Types
using	IndexT = VariantDetail::Index::VariantIndex
template<std::size_t Index>
using	RawAlternativePointerT = typename std::add_pointer< typename ThisVariantAlternative< Index >::type >::type
template<std::size_t Index>
using	ConstRawAlternativePointerT = typename std::add_pointer< typename std::add_const< typename ThisVariantAlternative< Index >::type >::type >::type

Public Member Functions
	Variant ()
	Variant (const Variant &other)
	Variant (Variant &&other)
template<typename T , EnableIfOtherIsThisVariantAlternative< T > = 1>
	Variant (const T &val)
template<typename T , EnableIfOtherIsThisVariantAlternative< T > = 1>
	Variant (T &&val)
template<typename T , typename... Args>
	Variant (Aws::Crt::InPlaceTypeT< T >, Args &&...args)
Variant &	operator= (const Variant &other)
Variant &	operator= (Variant &&other)
template<typename T , typename... Args, EnableIfOtherIsThisVariantAlternative< T > = 1>
T &	emplace (Args &&...args)
template<std::size_t Index, typename... Args>
auto	emplace (Args &&...args) -> typename ThisVariantAlternative< Index >::type &
template<typename T , EnableIfOtherIsThisVariantAlternative< T > = 1>
bool	holds_alternative () const
template<typename T , EnableIfOtherIsThisVariantAlternative< T > = 1>
T &	get ()
template<typename T , EnableIfOtherIsThisVariantAlternative< T > = 1>
T *	get_if ()
template<std::size_t Index>
auto	get () -> typename ThisVariantAlternative< Index >::type &
template<typename T , EnableIfOtherIsThisVariantAlternative< T > = 1>
const T &	get () const
template<typename T , EnableIfOtherIsThisVariantAlternative< T > = 1>
const T *	get_if () const
template<std::size_t Index>
auto	get () const -> const typename ThisVariantAlternative< Index >::type &
template<std::size_t Index>
auto	get_if () -> RawAlternativePointerT< Index >
template<std::size_t Index>
auto	get_if () const -> ConstRawAlternativePointerT< Index >
std::size_t	index () const
	~Variant ()
template<typename VisitorT >
void	Visit (VisitorT &&visitor)

Static Public Attributes
static constexpr std::size_t	AlternativeCount = sizeof...(Ts)

Detailed Description

template<typename... Ts>
class Aws::Crt::Variant< Ts >

Custom implementation of a Variant type. std::variant requires C++17

Template Parameters

Ts	types of the variant value

Member Typedef Documentation

ConstRawAlternativePointerT

template<typename... Ts>

template<std::size_t Index>

using Aws::Crt::Variant< Ts >::ConstRawAlternativePointerT = typename std::add_pointer< typename std::add_const<typename ThisVariantAlternative<Index>::type>::type>::type

IndexT

template<typename... Ts>

using Aws::Crt::Variant< Ts >::IndexT = VariantDetail::Index::VariantIndex

RawAlternativePointerT

template<typename... Ts>

template<std::size_t Index>

using Aws::Crt::Variant< Ts >::RawAlternativePointerT = typename std::add_pointer<typename ThisVariantAlternative<Index>::type>::type

Constructor & Destructor Documentation

Variant() [1/6]

template<typename... Ts>

Aws::Crt::Variant< Ts >::Variant ( )

inline

Variant() [2/6]

template<typename... Ts>

Aws::Crt::Variant< Ts >::Variant ( const Variant< Ts > &  other )

inline

Variant() [3/6]

template<typename... Ts>

Aws::Crt::Variant< Ts >::Variant ( Variant< Ts > &&  other )

inline

Variant() [4/6]

template<typename... Ts>

template<typename T , EnableIfOtherIsThisVariantAlternative< T > = 1>

Aws::Crt::Variant< Ts >::Variant ( const T &  val )

inline

Variant() [5/6]

template<typename... Ts>

template<typename T , EnableIfOtherIsThisVariantAlternative< T > = 1>

Aws::Crt::Variant< Ts >::Variant ( T &&  val )

inline

Variant() [6/6]

template<typename... Ts>

template<typename T , typename... Args>

Aws::Crt::Variant< Ts >::Variant ( Aws::Crt::InPlaceTypeT< T >  , Args &&...  args  )

inlineexplicit

~Variant()

template<typename... Ts>

Aws::Crt::Variant< Ts >::~Variant ( )

inline

Member Function Documentation

emplace() [1/2]

template<typename... Ts>

template<typename T , typename... Args, EnableIfOtherIsThisVariantAlternative< T > = 1>

T& Aws::Crt::Variant< Ts >::emplace ( Args &&...  args )

inline

emplace() [2/2]

template<typename... Ts>

template<std::size_t Index, typename... Args>

auto Aws::Crt::Variant< Ts >::emplace ( Args &&...  args ) -> typename ThisVariantAlternative<Index>::type &

inline

get() [1/4]

template<typename... Ts>

template<typename T , EnableIfOtherIsThisVariantAlternative< T > = 1>

T& Aws::Crt::Variant< Ts >::get ( )

inline

get() [2/4]

template<typename... Ts>

template<std::size_t Index>

auto Aws::Crt::Variant< Ts >::get ( ) -> typename ThisVariantAlternative<Index>::type &

inline

get() [3/4]

template<typename... Ts>

template<typename T , EnableIfOtherIsThisVariantAlternative< T > = 1>

const T& Aws::Crt::Variant< Ts >::get ( ) const

inline

get() [4/4]

template<typename... Ts>

template<std::size_t Index>

auto Aws::Crt::Variant< Ts >::get ( ) const -> const typename ThisVariantAlternative<Index>::type &

inline

get_if() [1/4]

template<typename... Ts>

template<typename T , EnableIfOtherIsThisVariantAlternative< T > = 1>

T* Aws::Crt::Variant< Ts >::get_if ( )

inline

get_if() [2/4]

template<typename... Ts>

template<std::size_t Index>

auto Aws::Crt::Variant< Ts >::get_if ( ) -> RawAlternativePointerT<Index>

inline

get_if() [3/4]

template<typename... Ts>

template<typename T , EnableIfOtherIsThisVariantAlternative< T > = 1>

const T* Aws::Crt::Variant< Ts >::get_if ( ) const

inline

get_if() [4/4]

template<typename... Ts>

template<std::size_t Index>

auto Aws::Crt::Variant< Ts >::get_if ( ) const -> ConstRawAlternativePointerT<Index>

inline

holds_alternative()

template<typename... Ts>

template<typename T , EnableIfOtherIsThisVariantAlternative< T > = 1>

bool Aws::Crt::Variant< Ts >::holds_alternative ( ) const

inline

index()

template<typename... Ts>

std::size_t Aws::Crt::Variant< Ts >::index ( ) const

inline

operator=() [1/2]

template<typename... Ts>

Variant& Aws::Crt::Variant< Ts >::operator= ( const Variant< Ts > &  other )

inline

operator=() [2/2]

template<typename... Ts>

Variant& Aws::Crt::Variant< Ts >::operator= ( Variant< Ts > &&  other )

inline

Visit()

template<typename... Ts>

template<typename VisitorT >

void Aws::Crt::Variant< Ts >::Visit ( VisitorT &&  visitor )

inline

Member Data Documentation

AlternativeCount

template<typename... Ts>

constexpr std::size_t Aws::Crt::Variant< Ts >::AlternativeCount = sizeof...(Ts)

staticconstexpr

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The documentation for this class was generated from the following file:

• crt/aws-crt-cpp/include/aws/crt/Variant.h