Namespaces
namespace	std

namespace	std::__detail

Macros
#define	__cpp_lib_variant

#define	_GLIBCXX_VARIANT

#define	_VARIANT_RELATION_FUNCTION_TEMPLATE(__OP)

#define	_VARIANT_RELATION_FUNCTION_TEMPLATE(__OP, __NAME)

Typedefs
template<size_t _Np, typename _Variant , typename _AsV = decltype(__variant::__as(std::declval<_Variant>())), typename _Tp = variant_alternative_t<_Np, remove_reference_t<_AsV>>>
using	std::__detail::__variant::__get_t = __conditional_t< is_lvalue_reference_v< _Variant >, _Tp &, _Tp && >

using	std::__detail::__variant::__index_type = __select_index< _Types... >

template<typename _Visitor , typename... _Variants>
using	std::__detail::__variant::__visit_result_t = invoke_result_t< _Visitor, __get_t< 0, _Variants >... >

template<typename... _Types>
using	std::__detail::__variant::_Copy_assign_alias = _Copy_assign_base< _Traits< _Types... >::_S_trivial_copy_assign, _Types... >

template<typename... _Types>
using	std::__detail::__variant::_Copy_ctor_alias = _Copy_ctor_base< _Traits< _Types... >::_S_trivial_copy_ctor, _Types... >

template<typename _Tp , typename _Variant >
using	std::__detail::__variant::_FUN_type = decltype(_Build_FUNs< _Tp, _Variant >::_S_fun(std::declval< _Tp >()))

template<typename... _Types>
using	std::__detail::__variant::_Move_assign_alias = _Move_assign_base< _Traits< _Types... >::_S_trivial_move_assign, _Types... >

template<typename... _Types>
using	std::__detail::__variant::_Move_ctor_alias = _Move_ctor_base< _Traits< _Types... >::_S_trivial_move_ctor, _Types... >

template<typename... _Types>
using	std::__detail::__variant::_Variant_storage_alias = _Variant_storage< _Traits< _Types... >::_S_trivial_dtor, _Types... >

template<size_t _Np, typename _Variant >
using	std::variant_alternative_t = typename variant_alternative< _Np, _Variant >::type

Functions
template<typename... _Types>
constexpr const std::variant< _Types... > &&	std::__detail::__variant::__as (const std::variant< _Types... > &&__v) noexcept

template<typename... _Types>
constexpr const std::variant< _Types... > &	std::__detail::__variant::__as (const std::variant< _Types... > &__v) noexcept

template<typename... _Types>
constexpr std::variant< _Types... > &&	std::__detail::__variant::__as (std::variant< _Types... > &&__v) noexcept

template<typename... _Types>
constexpr std::variant< _Types... > &	std::__detail::__variant::__as (std::variant< _Types... > &__v) noexcept

template<typename _Visitor , typename _Variant , size_t... _Idxs>
constexpr bool	std::__detail::__variant::__check_visitor_results (std::index_sequence< _Idxs... >)

template<typename _Result_type , typename _Visitor , typename... _Variants>
constexpr decltype(auto)	std::__do_visit (_Visitor &&__visitor, _Variants &&... __variants)

template<size_t _Np, bool _Triv, typename... _Types, typename... _Args>
constexpr void	std::__detail::__variant::__emplace (_Variant_storage< _Triv, _Types... > &__v, _Args &&... __args)

template<size_t _Np, typename _Variant >
constexpr decltype(auto)	std::__detail::__variant::__get (_Variant &&__v) noexcept

template<size_t _Np, typename _Union >
constexpr decltype(auto)	std::__detail::__variant::__get_n (_Union &&__u) noexcept

template<typename _Visitor , typename... _Variants>
constexpr void	std::__detail::__variant::__raw_idx_visit (_Visitor &&__visitor, _Variants &&... __variants)

template<typename _Visitor , typename... _Variants>
constexpr void	std::__detail::__variant::__raw_visit (_Visitor &&__visitor, _Variants &&... __variants)

void	std::__throw_bad_variant_access (bool __valueless)

void	std::__throw_bad_variant_access (const char *__what)

template<typename... _Types, typename _Tp >
constexpr decltype(auto)	std::__variant_cast (_Tp &&__rhs)

template<size_t _Np, typename... _Types>
constexpr variant_alternative_t< _Np, variant< _Types... > > const &&	std::get (const variant< _Types... > &&)

template<typename _Tp , typename... _Types>
constexpr const _Tp &&	std::get (const variant< _Types... > &&__v)

template<size_t _Np, typename... _Types>
constexpr const variant_alternative_t< _Np, variant< _Types... > > &&	std::get (const variant< _Types... > &&__v)

template<size_t _Np, typename... _Types>
constexpr variant_alternative_t< _Np, variant< _Types... > > const &	std::get (const variant< _Types... > &)

template<typename _Tp , typename... _Types>
constexpr const _Tp &	std::get (const variant< _Types... > &__v)

template<size_t _Np, typename... _Types>
constexpr const variant_alternative_t< _Np, variant< _Types... > > &	std::get (const variant< _Types... > &__v)

template<size_t _Np, typename... _Types>
constexpr variant_alternative_t< _Np, variant< _Types... > > &&	std::get (variant< _Types... > &&)

template<typename _Tp , typename... _Types>
constexpr _Tp &&	std::get (variant< _Types... > &&__v)

template<size_t _Np, typename... _Types>
constexpr variant_alternative_t< _Np, variant< _Types... > > &	std::get (variant< _Types... > &)

template<typename _Tp , typename... _Types>
constexpr _Tp &	std::get (variant< _Types... > &__v)

template<size_t _Np, typename... _Types>
constexpr add_pointer_t< const variant_alternative_t< _Np, variant< _Types... > > >	std::get_if (const variant< _Types... > *__ptr) noexcept

template<typename _Tp , typename... _Types>
constexpr add_pointer_t< const _Tp >	std::get_if (const variant< _Types... > *__ptr) noexcept

template<size_t _Np, typename... _Types>
constexpr add_pointer_t< variant_alternative_t< _Np, variant< _Types... > > >	std::get_if (variant< _Types... > *__ptr) noexcept

template<typename _Tp , typename... _Types>
constexpr add_pointer_t< _Tp >	std::get_if (variant< _Types... > *__ptr) noexcept

template<typename _Tp , typename... _Types>
constexpr bool	std::holds_alternative (const variant< _Types... > &__v) noexcept

template<typename... _Types>
constexpr bool	std::operator!= (const variant< _Types... > &__lhs, const variant< _Types... > &__rhs)

constexpr bool	std::operator!= (monostate, monostate) noexcept

template<typename... _Types>
constexpr bool	std::operator< (const variant< _Types... > &__lhs, const variant< _Types... > &__rhs)

constexpr bool	std::operator< (monostate, monostate) noexcept

template<typename... _Types>
constexpr bool	std::operator<= (const variant< _Types... > &__lhs, const variant< _Types... > &__rhs)

constexpr bool	std::operator<= (monostate, monostate) noexcept

template<typename... _Types>
constexpr bool	std::operator== (const variant< _Types... > &__lhs, const variant< _Types... > &__rhs)

constexpr bool	std::operator== (monostate, monostate) noexcept

template<typename... _Types>
constexpr bool	std::operator> (const variant< _Types... > &__lhs, const variant< _Types... > &__rhs)

constexpr bool	std::operator> (monostate, monostate) noexcept

template<typename... _Types>
constexpr bool	std::operator>= (const variant< _Types... > &__lhs, const variant< _Types... > &__rhs)

constexpr bool	std::operator>= (monostate, monostate) noexcept

template<typename... _Types>
enable_if_t<!((is_move_constructible_v< _Types > &&...) &&(is_swappable_v< _Types > &&...))>	std::swap (variant< _Types... > &, variant< _Types... > &)=delete

template<typename... _Types>
constexpr enable_if_t<(is_move_constructible_v< _Types > &&...) &&(is_swappable_v< _Types > &&...)>	std::swap (variant< _Types... > &__lhs, variant< _Types... > &__rhs) noexcept(noexcept(__lhs.swap(__rhs)))

template<typename _Visitor , typename... _Variants>
constexpr __detail::__variant::__visit_result_t< _Visitor, _Variants... >	std::visit (_Visitor &&, _Variants &&...)

template<typename _Visitor , typename... _Variants>
constexpr __detail::__variant::__visit_result_t< _Visitor, _Variants... >	std::visit (_Visitor &&__visitor, _Variants &&... __variants)

template<typename _Res , typename _Visitor , typename... _Variants>
constexpr _Res	std::visit (_Visitor &&__visitor, _Variants &&... __variants)

Variables
template<typename _Tp , typename _Variant , typename = void>
constexpr size_t	std::__detail::__variant::__accepted_index

template<typename _Tp , typename _Variant >
constexpr size_t	std::__detail::__variant::__accepted_index< _Tp, _Variant, void_t< _FUN_type< _Tp, _Variant > > >

template<typename _Tp , typename... _Types>
constexpr bool	std::__detail::__variant::__exactly_once

template<typename _Maybe_variant_cookie , typename _Variant , typename = __remove_cvref_t<_Variant>>
constexpr bool	std::__detail::__variant::__extra_visit_slot_needed

template<typename _Var , typename... _Types>
constexpr bool	std::__detail::__variant::__extra_visit_slot_needed< __variant_cookie, _Var, variant< _Types... > >

template<typename _Var , typename... _Types>
constexpr bool	std::__detail::__variant::__extra_visit_slot_needed< __variant_idx_cookie, _Var, variant< _Types... > >

template<typename _Tp , typename... _Types>
constexpr bool	std::__detail::__variant::__same_types

__index_type	std::__detail::__variant::_M_index

template<typename _Tp >
_Variadic_union< _Types... >	std::__detail::__variant::_M_u

constexpr size_t	std::variant_npos

template<typename _Variant >
constexpr size_t	std::variant_size_v

template<typename... _Types>
constexpr size_t	std::variant_size_v< const variant< _Types... > >

template<typename... _Types>
constexpr size_t	std::variant_size_v< variant< _Types... > >

Detailed Description

This is the <variant> C++ Library header.

Definition in file variant.

Macro Definition Documentation

◆ __cpp_lib_variant

#define __cpp_lib_variant

Definition at line 55 of file variant.

◆ _GLIBCXX_VARIANT

#define _GLIBCXX_VARIANT

Definition at line 30 of file variant.

◆ _VARIANT_RELATION_FUNCTION_TEMPLATE [1/2]

#define _VARIANT_RELATION_FUNCTION_TEMPLATE ( __OP )

Definition at line 1664 of file variant.

◆ _VARIANT_RELATION_FUNCTION_TEMPLATE [2/2]

#define _VARIANT_RELATION_FUNCTION_TEMPLATE	(	__OP,
		__NAME
	)

Definition at line 1664 of file variant.

Typedef Documentation

◆ __get_t

template<size_t _Np, typename _Variant , typename _AsV = decltype(__variant::__as(std::declval<_Variant>())), typename _Tp = variant_alternative_t<_Np, remove_reference_t<_AsV>>>

using std::__detail::__variant::__get_t = typedef __conditional_t<is_lvalue_reference_v<_Variant>, _Tp&, _Tp&&>

Definition at line 1086 of file variant.

◆ __index_type

using std::__detail::__variant::__index_type = typedef __select_index<_Types...>

Definition at line 490 of file variant.

◆ __visit_result_t

template<typename _Visitor , typename... _Variants>

using std::__detail::__variant::__visit_result_t = typedef invoke_result_t<_Visitor, __get_t<0, _Variants>...>

Definition at line 1091 of file variant.

◆ _Copy_assign_alias

template<typename... _Types>

using std::__detail::__variant::_Copy_assign_alias = typedef _Copy_assign_base<_Traits<_Types...>::_S_trivial_copy_assign, _Types...>

Definition at line 676 of file variant.

◆ _Copy_ctor_alias

template<typename... _Types>

using std::__detail::__variant::_Copy_ctor_alias = typedef _Copy_ctor_base<_Traits<_Types...>::_S_trivial_copy_ctor, _Types...>

Definition at line 586 of file variant.

◆ _FUN_type

template<typename _Tp , typename _Variant >

using std::__detail::__variant::_FUN_type = typedef decltype(_Build_FUNs<_Tp, _Variant>::_S_fun(std::declval<_Tp>()))

Definition at line 793 of file variant.

◆ _Move_assign_alias

template<typename... _Types>

using std::__detail::__variant::_Move_assign_alias = typedef _Move_assign_base<_Traits<_Types...>::_S_trivial_move_assign, _Types...>

Definition at line 730 of file variant.

◆ _Move_ctor_alias

template<typename... _Types>

using std::__detail::__variant::_Move_ctor_alias = typedef _Move_ctor_base<_Traits<_Types...>::_S_trivial_move_ctor, _Types...>

Definition at line 624 of file variant.

◆ _Variant_storage_alias

template<typename... _Types>

using std::__detail::__variant::_Variant_storage_alias = typedef _Variant_storage<_Traits<_Types...>::_S_trivial_dtor, _Types...>

Definition at line 546 of file variant.

Function Documentation

◆ __as() [1/4]

template<typename... _Types>

constexpr const std::variant< _Types... > && std::__detail::__variant::__as ( const std::variant< _Types... > && __v )

constexprnoexcept

Definition at line 206 of file variant.

◆ __as() [2/4]

template<typename... _Types>

constexpr const std::variant< _Types... > & std::__detail::__variant::__as ( const std::variant< _Types... > & __v )

constexprnoexcept

Definition at line 196 of file variant.

◆ __as() [3/4]

template<typename... _Types>

constexpr std::variant< _Types... > && std::__detail::__variant::__as ( std::variant< _Types... > && __v )

constexprnoexcept

Definition at line 201 of file variant.

◆ __as() [4/4]

template<typename... _Types>

constexpr std::variant< _Types... > & std::__detail::__variant::__as ( std::variant< _Types... > & __v )

constexprnoexcept

Definition at line 191 of file variant.

◆ __check_visitor_results()

template<typename _Visitor , typename _Variant , size_t... _Idxs>

constexpr bool std::__detail::__variant::__check_visitor_results ( std::index_sequence< _Idxs... > )

constexpr

Definition at line 1098 of file variant.

◆ __emplace()

template<size_t _Np, bool _Triv, typename... _Types, typename... _Args>

constexpr void std::__detail::__variant::__emplace	(	_Variant_storage< _Triv, _Types... > &	__v,
		_Args &&...	__args
	)

inlineconstexpr

Definition at line 536 of file variant.

◆ __get()

template<size_t _Np, typename _Variant >

constexpr decltype(auto) std::__detail::__variant::__get ( _Variant && __v )

constexprnoexcept

Definition at line 320 of file variant.

◆ __get_n()

template<size_t _Np, typename _Union >

constexpr decltype(auto) std::__detail::__variant::__get_n ( _Union && __u )

constexprnoexcept

Definition at line 304 of file variant.

◆ __raw_idx_visit()

template<typename _Visitor , typename... _Variants>

constexpr void std::__detail::__variant::__raw_idx_visit	(	_Visitor &&	__visitor,
		_Variants &&...	__variants
	)

constexpr

Definition at line 181 of file variant.

◆ __raw_visit()

template<typename _Visitor , typename... _Variants>

constexpr void std::__detail::__variant::__raw_visit	(	_Visitor &&	__visitor,
		_Variants &&...	__variants
	)

constexpr

Definition at line 172 of file variant.

Variable Documentation

◆ __accepted_index

template<typename _Tp , typename _Variant , typename = void>

constexpr size_t std::__detail::__variant::__accepted_index

inlineconstexpr

Definition at line 799 of file variant.

◆ __accepted_index< _Tp, _Variant, void_t< _FUN_type< _Tp, _Variant > > >

template<typename _Tp , typename _Variant >

constexpr size_t std::__detail::__variant::__accepted_index< _Tp, _Variant, void_t< _FUN_type< _Tp, _Variant > > >

inlineconstexpr

Definition at line 802 of file variant.

◆ __exactly_once

template<typename _Tp , typename... _Types>

constexpr bool std::__detail::__variant::__exactly_once

inlineconstexpr

Definition at line 755 of file variant.

◆ __extra_visit_slot_needed

template<typename _Maybe_variant_cookie , typename _Variant , typename = __remove_cvref_t<_Variant>>

constexpr bool std::__detail::__variant::__extra_visit_slot_needed

inlineconstexpr

Definition at line 809 of file variant.

◆ __extra_visit_slot_needed< __variant_cookie, _Var, variant< _Types... > >

template<typename _Var , typename... _Types>

constexpr bool std::__detail::__variant::__extra_visit_slot_needed< __variant_cookie, _Var, variant< _Types... > >

inlineconstexpr

Definition at line 812 of file variant.

◆ __extra_visit_slot_needed< __variant_idx_cookie, _Var, variant< _Types... > >

template<typename _Var , typename... _Types>

constexpr bool std::__detail::__variant::__extra_visit_slot_needed< __variant_idx_cookie, _Var, variant< _Types... > >

inlineconstexpr

Definition at line 817 of file variant.

◆ __same_types

template<typename _Tp , typename... _Types>

constexpr bool std::__detail::__variant::__same_types

inlineconstexpr

Definition at line 1095 of file variant.

◆ _M_index

__index_type std::__detail::__variant::_M_index

Definition at line 491 of file variant.

◆ _M_u

template<typename _Tp >

_Variadic_union<_Types...> std::__detail::__variant::_M_u

Definition at line 489 of file variant.

Namespaces

Macros

Typedefs

Functions

Variables

Detailed Description

Macro Definition Documentation

◆ __cpp_lib_variant

◆ _GLIBCXX_VARIANT

◆ _VARIANT_RELATION_FUNCTION_TEMPLATE [1/2]

◆ _VARIANT_RELATION_FUNCTION_TEMPLATE [2/2]

Typedef Documentation

◆ __get_t

◆ __index_type

◆ __visit_result_t

◆ _Copy_assign_alias

◆ _Copy_ctor_alias

◆ _FUN_type

◆ _Move_assign_alias

◆ _Move_ctor_alias

◆ _Variant_storage_alias

Function Documentation

◆ __as() [1/4]

◆ __as() [2/4]

◆ __as() [3/4]

◆ __as() [4/4]

◆ __check_visitor_results()

◆ __emplace()

◆ __get()

◆ __get_n()

◆ __raw_idx_visit()

◆ __raw_visit()

Variable Documentation

◆ __accepted_index

◆ __accepted_index< _Tp, _Variant, void_t< _FUN_type< _Tp, _Variant > > >

◆ __exactly_once

◆ __extra_visit_slot_needed

◆ __extra_visit_slot_needed< __variant_cookie, _Var, variant< _Types... > >

◆ __extra_visit_slot_needed< __variant_idx_cookie, _Var, variant< _Types... > >

◆ __same_types

◆ _M_index

◆ _M_u