Inheritance diagram for std::experimental::fundamentals_v1::optional< _Tp >:

[legend]

Public Types
using	value_type = _Tp

Public Member Functions
template<typename _Up = _Tp, enable_if_t< __and_< __not_< is_same< optional< _Tp >, decay_t< _Up > > >, is_constructible< _Tp, _Up && >, is_convertible< _Up &&, _Tp > >::value, bool > = true>
constexpr	optional (_Up &&__t)

template<typename _Up = _Tp, enable_if_t< __and_< __not_< is_same< optional< _Tp >, decay_t< _Up > > >, is_constructible< _Tp, _Up && >, __not_< is_convertible< _Up &&, _Tp > > >::value, bool > = false>
constexpr	optional (_Up &&__t)

template<typename _Up , enable_if_t< __and_< __not_< is_same< _Tp, _Up > >, is_constructible< _Tp, const _Up & >, is_convertible< const _Up &, _Tp >, __not_< __converts_from_optional< _Tp, _Up > > >::value, bool > = true>
constexpr	optional (const optional< _Up > &__t)

template<typename _Up , enable_if_t< __and_< __not_< is_same< _Tp, _Up > >, is_constructible< _Tp, const _Up & >, __not_< is_convertible< const _Up &, _Tp > >, __not_< __converts_from_optional< _Tp, _Up > > >::value, bool > = false>
constexpr	optional (const optional< _Up > &__t)

template<typename _Up , enable_if_t< __and_< __not_< is_same< _Tp, _Up > >, is_constructible< _Tp, _Up && >, is_convertible< _Up &&, _Tp >, __not_< __converts_from_optional< _Tp, _Up > > >::value, bool > = true>
constexpr	optional (optional< _Up > &&__t)

template<typename _Up , enable_if_t< __and_< __not_< is_same< _Tp, _Up > >, is_constructible< _Tp, _Up && >, __not_< is_convertible< _Up &&, _Tp > >, __not_< __converts_from_optional< _Tp, _Up > > >::value, bool > = false>
constexpr	optional (optional< _Up > &&__t)

template<typename... _Args>
enable_if_t< is_constructible< _Tp, _Args &&... >::value >	emplace (_Args &&... __args)

template<typename _Up , typename... _Args>
enable_if_t< is_constructible< _Tp, initializer_list< _Up > &, _Args &&... >::value >	emplace (initializer_list< _Up > __il, _Args &&... __args)

constexpr	operator bool () const noexcept

constexpr _Tp &	operator* () &

constexpr _Tp &&	operator* () &&

constexpr const _Tp &	operator* () const &

constexpr const _Tp &&	operator* () const &&

_Tp *	operator-> ()

constexpr const _Tp *	operator-> () const

template<typename _Up = _Tp>
enable_if_t< __and_< __not_< is_same< optional< _Tp >, decay_t< _Up > > >, is_constructible< _Tp, _Up >, __not_< __and_< is_scalar< _Tp >, is_same< _Tp, decay_t< _Up > > > >, is_assignable< _Tp &, _Up > >::value, optional & >	operator= (_Up &&__u)

template<typename _Up >
enable_if_t< __and_< __not_< is_same< _Tp, _Up > >, is_constructible< _Tp, const _Up & >, is_assignable< _Tp &, _Up >, __not_< __converts_from_optional< _Tp, _Up > >, __not_< __assigns_from_optional< _Tp, _Up > > >::value, optional & >	operator= (const optional< _Up > &__u)

optional &	operator= (nullopt_t) noexcept

template<typename _Up >
enable_if_t< __and_< __not_< is_same< _Tp, _Up > >, is_constructible< _Tp, _Up >, is_assignable< _Tp &, _Up >, __not_< __converts_from_optional< _Tp, _Up > >, __not_< __assigns_from_optional< _Tp, _Up > > >::value, optional & >	operator= (optional< _Up > &&__u)

void	swap (optional &__other) noexcept(is_nothrow_move_constructible< _Tp >() &&__is_nothrow_swappable< _Tp >::value)

constexpr _Tp &	value () &

constexpr _Tp &&	value () &&

constexpr const _Tp &	value () const &

constexpr const _Tp &&	value () const &&

template<typename _Up >
_Tp	value_or (_Up &&__u) &&

template<typename _Up >
constexpr _Tp	value_or (_Up &&__u) const &

Detailed Description

template<typename _Tp>
class std::experimental::fundamentals_v1::optional< _Tp >

Class template for optional values.

Definition at line 426 of file experimental/optional.

Member Typedef Documentation

◆ value_type

template<typename _Tp >

using std::experimental::fundamentals_v1::optional< _Tp >::value_type = _Tp

Definition at line 449 of file experimental/optional.

Constructor & Destructor Documentation

◆ optional() [1/6]

template<typename _Tp >

template<typename _Up = _Tp, enable_if_t< __and_< __not_< is_same< optional< _Tp >, decay_t< _Up > > >, is_constructible< _Tp, _Up && >, is_convertible< _Up &&, _Tp > >::value, bool > = true>

constexpr std::experimental::fundamentals_v1::optional< _Tp >::optional ( _Up && __t )

inlineconstexpr

Definition at line 462 of file experimental/optional.

◆ optional() [2/6]

template<typename _Tp >

template<typename _Up = _Tp, enable_if_t< __and_< __not_< is_same< optional< _Tp >, decay_t< _Up > > >, is_constructible< _Tp, _Up && >, __not_< is_convertible< _Up &&, _Tp > > >::value, bool > = false>

constexpr std::experimental::fundamentals_v1::optional< _Tp >::optional ( _Up && __t )

inlineexplicitconstexpr

Definition at line 471 of file experimental/optional.

◆ optional() [3/6]

template<typename _Tp >

template<typename _Up , enable_if_t< __and_< __not_< is_same< _Tp, _Up > >, is_constructible< _Tp, const _Up & >, is_convertible< const _Up &, _Tp >, __not_< __converts_from_optional< _Tp, _Up > > >::value, bool > = true>

constexpr std::experimental::fundamentals_v1::optional< _Tp >::optional ( const optional< _Up > & __t )

inlineconstexpr

Definition at line 481 of file experimental/optional.

◆ optional() [4/6]

template<typename _Tp >

template<typename _Up , enable_if_t< __and_< __not_< is_same< _Tp, _Up > >, is_constructible< _Tp, const _Up & >, __not_< is_convertible< const _Up &, _Tp > >, __not_< __converts_from_optional< _Tp, _Up > > >::value, bool > = false>

constexpr std::experimental::fundamentals_v1::optional< _Tp >::optional ( const optional< _Up > & __t )

inlineexplicitconstexpr

Definition at line 494 of file experimental/optional.

◆ optional() [5/6]

template<typename _Tp >

template<typename _Up , enable_if_t< __and_< __not_< is_same< _Tp, _Up > >, is_constructible< _Tp, _Up && >, is_convertible< _Up &&, _Tp >, __not_< __converts_from_optional< _Tp, _Up > > >::value, bool > = true>

constexpr std::experimental::fundamentals_v1::optional< _Tp >::optional ( optional< _Up > && __t )

inlineconstexpr

Definition at line 507 of file experimental/optional.

◆ optional() [6/6]

template<typename _Tp >

template<typename _Up , enable_if_t< __and_< __not_< is_same< _Tp, _Up > >, is_constructible< _Tp, _Up && >, __not_< is_convertible< _Up &&, _Tp > >, __not_< __converts_from_optional< _Tp, _Up > > >::value, bool > = false>

constexpr std::experimental::fundamentals_v1::optional< _Tp >::optional ( optional< _Up > && __t )

inlineexplicitconstexpr

Definition at line 520 of file experimental/optional.

Member Function Documentation

◆ emplace() [1/2]

template<typename _Tp >

template<typename... _Args>

enable_if_t< is_constructible< _Tp, _Args &&... >::value > std::experimental::fundamentals_v1::optional< _Tp >::emplace ( _Args &&... __args )

inline

Definition at line 605 of file experimental/optional.

◆ emplace() [2/2]

template<typename _Tp >

template<typename _Up , typename... _Args>

enable_if_t< is_constructible< _Tp, initializer_list< _Up > &, _Args &&... >::value > std::experimental::fundamentals_v1::optional< _Tp >::emplace	(	initializer_list< _Up >	__il,
		_Args &&...	__args
	)

inline

Definition at line 614 of file experimental/optional.

◆ operator bool()

template<typename _Tp >

constexpr std::experimental::fundamentals_v1::optional< _Tp >::operator bool ( ) const

inlineexplicitconstexprnoexcept

Definition at line 669 of file experimental/optional.

◆ operator*() [1/4]

template<typename _Tp >

constexpr _Tp & std::experimental::fundamentals_v1::optional< _Tp >::operator* ( ) &

inlineconstexpr

Definition at line 658 of file experimental/optional.

◆ operator*() [2/4]

template<typename _Tp >

constexpr _Tp && std::experimental::fundamentals_v1::optional< _Tp >::operator* ( ) &&

inlineconstexpr

Definition at line 662 of file experimental/optional.

◆ operator*() [3/4]

template<typename _Tp >

constexpr const _Tp & std::experimental::fundamentals_v1::optional< _Tp >::operator* ( ) const &

inlineconstexpr

Definition at line 654 of file experimental/optional.

◆ operator*() [4/4]

template<typename _Tp >

constexpr const _Tp && std::experimental::fundamentals_v1::optional< _Tp >::operator* ( ) const &&

inlineconstexpr

Definition at line 666 of file experimental/optional.

◆ operator->() [1/2]

template<typename _Tp >

_Tp * std::experimental::fundamentals_v1::optional< _Tp >::operator-> ( )

inline

Definition at line 650 of file experimental/optional.

◆ operator->() [2/2]

template<typename _Tp >

constexpr const _Tp * std::experimental::fundamentals_v1::optional< _Tp >::operator-> ( ) const

inlineconstexpr

Definition at line 646 of file experimental/optional.

◆ operator=() [1/4]

template<typename _Tp >

template<typename _Up = _Tp>

enable_if_t< __and_< __not_< is_same< optional< _Tp >, decay_t< _Up > > >, is_constructible< _Tp, _Up >, __not_< __and_< is_scalar< _Tp >, is_same< _Tp, decay_t< _Up > > > >, is_assignable< _Tp &, _Up > >::value, optional & > std::experimental::fundamentals_v1::optional< _Tp >::operator= ( _Up && __u )

inline

Definition at line 542 of file experimental/optional.

◆ operator=() [2/4]

template<typename _Tp >

template<typename _Up >

enable_if_t< __and_< __not_< is_same< _Tp, _Up > >, is_constructible< _Tp, const _Up & >, is_assignable< _Tp &, _Up >, __not_< __converts_from_optional< _Tp, _Up > >, __not_< __assigns_from_optional< _Tp, _Up > > >::value, optional & > std::experimental::fundamentals_v1::optional< _Tp >::operator= ( const optional< _Up > & __u )

inline

Definition at line 561 of file experimental/optional.

◆ operator=() [3/4]

template<typename _Tp >

optional & std::experimental::fundamentals_v1::optional< _Tp >::operator= ( nullopt_t )

inlinenoexcept

Definition at line 528 of file experimental/optional.

◆ operator=() [4/4]

template<typename _Tp >

template<typename _Up >

enable_if_t< __and_< __not_< is_same< _Tp, _Up > >, is_constructible< _Tp, _Up >, is_assignable< _Tp &, _Up >, __not_< __converts_from_optional< _Tp, _Up > >, __not_< __assigns_from_optional< _Tp, _Up > > >::value, optional & > std::experimental::fundamentals_v1::optional< _Tp >::operator= ( optional< _Up > && __u )

inline

Definition at line 586 of file experimental/optional.

◆ swap()

template<typename _Tp >

void std::experimental::fundamentals_v1::optional< _Tp >::swap ( optional< _Tp > & __other )

inlinenoexcept

Definition at line 624 of file experimental/optional.

◆ value() [1/4]

template<typename _Tp >

constexpr _Tp & std::experimental::fundamentals_v1::optional< _Tp >::value ( ) &

inlineconstexpr

Definition at line 682 of file experimental/optional.

◆ value() [2/4]

template<typename _Tp >

constexpr _Tp && std::experimental::fundamentals_v1::optional< _Tp >::value ( ) &&

inlineconstexpr

Definition at line 691 of file experimental/optional.

◆ value() [3/4]

template<typename _Tp >

constexpr const _Tp & std::experimental::fundamentals_v1::optional< _Tp >::value ( ) const &

inlineconstexpr

Definition at line 673 of file experimental/optional.

◆ value() [4/4]

template<typename _Tp >

constexpr const _Tp && std::experimental::fundamentals_v1::optional< _Tp >::value ( ) const &&

inlineconstexpr

Definition at line 700 of file experimental/optional.

◆ value_or() [1/2]

template<typename _Tp >

template<typename _Up >

_Tp std::experimental::fundamentals_v1::optional< _Tp >::value_or ( _Up && __u ) &&

inline

Definition at line 724 of file experimental/optional.

◆ value_or() [2/2]

template<typename _Tp >

template<typename _Up >

constexpr _Tp std::experimental::fundamentals_v1::optional< _Tp >::value_or ( _Up && __u ) const &

inlineconstexpr

Definition at line 710 of file experimental/optional.

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

experimental/optional

Public Types

Public Member Functions

Detailed Description

Member Typedef Documentation

◆ value_type

Constructor & Destructor Documentation

◆ optional() [1/6]

◆ optional() [2/6]

◆ optional() [3/6]

◆ optional() [4/6]

◆ optional() [5/6]

◆ optional() [6/6]

Member Function Documentation

◆ emplace() [1/2]

◆ emplace() [2/2]

◆ operator bool()

◆ operator*() [1/4]

◆ operator*() [2/4]

◆ operator*() [3/4]

◆ operator*() [4/4]

◆ operator->() [1/2]

◆ operator->() [2/2]

◆ operator=() [1/4]

◆ operator=() [2/4]

◆ operator=() [3/4]

◆ operator=() [4/4]

◆ swap()

◆ value() [1/4]

◆ value() [2/4]

◆ value() [3/4]

◆ value() [4/4]

◆ value_or() [1/2]

◆ value_or() [2/2]