libstdc++
optional File Reference

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Classes

struct  std::experimental::fundamentals_v1::_Has_addressof< _Tp >
 
class  std::experimental::fundamentals_v1::_Optional_base< _Tp, _ShouldProvideDestructor >
 
class  std::experimental::fundamentals_v1::_Optional_base< _Tp, false >
 
class  std::experimental::fundamentals_v1::bad_optional_access
 
struct  std::experimental::fundamentals_v1::in_place_t
 
struct  std::experimental::fundamentals_v1::nullopt_t
 
class  std::experimental::fundamentals_v1::optional< _Tp >
 
class  std::experimental::fundamentals_v1::optional< _Tp >
 
class  std::experimental::fundamentals_v1::optional< _Tp >
 

Namespaces

 std
 

Macros

#define __cpp_lib_experimental_optional
 
#define _GLIBCXX_EXPERIMENTAL_OPTIONAL
 

Typedefs

template<typename _Tp , typename _Up >
using std::experimental::fundamentals_v1::__assigns_from_optional = __or_< is_assignable< _Tp &, const optional< _Up > & >, is_assignable< _Tp &, optional< _Up > & >, is_assignable< _Tp &, const optional< _Up > && >, is_assignable< _Tp &, optional< _Up > && > >
 
template<typename _Tp , typename _Up >
using std::experimental::fundamentals_v1::__converts_from_optional = __or_< is_constructible< _Tp, const optional< _Up > & >, is_constructible< _Tp, optional< _Up > & >, is_constructible< _Tp, const optional< _Up > && >, is_constructible< _Tp, optional< _Up > && >, is_convertible< const optional< _Up > &, _Tp >, is_convertible< optional< _Up > &, _Tp >, is_convertible< const optional< _Up > &&, _Tp >, is_convertible< optional< _Up > &&, _Tp > >
 

Functions

template<typename _Tp >
constexpr enable_if_t<!_Has_addressof< _Tp >::value, _Tp * > std::experimental::fundamentals_v1::__constexpr_addressof (_Tp &__t)
 
template<typename _Tp >
enable_if_t< _Has_addressof< _Tp >::value, _Tp * > std::experimental::fundamentals_v1::__constexpr_addressof (_Tp &__t)
 
void std::experimental::fundamentals_v1::__throw_bad_optional_access (const char *) __attribute__((__noreturn__))
 
template<typename _Tp >
constexpr optional< decay_t< _Tp > > std::experimental::fundamentals_v1::make_optional (_Tp &&__t)
 
template<typename _Tp >
constexpr bool std::experimental::fundamentals_v1::operator!= (const optional< _Tp > &__lhs, const optional< _Tp > &__rhs)
 
template<typename _Tp >
constexpr bool std::experimental::fundamentals_v1::operator!= (const optional< _Tp > &__lhs, nullopt_t) noexcept
 
template<typename _Tp >
constexpr bool std::experimental::fundamentals_v1::operator!= (nullopt_t, const optional< _Tp > &__rhs) noexcept
 
template<typename _Tp >
constexpr bool std::experimental::fundamentals_v1::operator!= (const optional< _Tp > &__lhs, _Tp const &__rhs)
 
template<typename _Tp >
constexpr bool std::experimental::fundamentals_v1::operator!= (const _Tp &__lhs, const optional< _Tp > &__rhs)
 
template<typename _Tp >
constexpr bool std::experimental::fundamentals_v1::operator< (const optional< _Tp > &__lhs, const optional< _Tp > &__rhs)
 
template<typename _Tp >
constexpr bool std::experimental::fundamentals_v1::operator< (const optional< _Tp > &, nullopt_t) noexcept
 
template<typename _Tp >
constexpr bool std::experimental::fundamentals_v1::operator< (nullopt_t, const optional< _Tp > &__rhs) noexcept
 
template<typename _Tp >
constexpr bool std::experimental::fundamentals_v1::operator< (const optional< _Tp > &__lhs, const _Tp &__rhs)
 
template<typename _Tp >
constexpr bool std::experimental::fundamentals_v1::operator< (const _Tp &__lhs, const optional< _Tp > &__rhs)
 
template<typename _Tp >
constexpr bool std::experimental::fundamentals_v1::operator<= (const optional< _Tp > &__lhs, const optional< _Tp > &__rhs)
 
template<typename _Tp >
constexpr bool std::experimental::fundamentals_v1::operator<= (const optional< _Tp > &__lhs, nullopt_t) noexcept
 
template<typename _Tp >
constexpr bool std::experimental::fundamentals_v1::operator<= (nullopt_t, const optional< _Tp > &) noexcept
 
template<typename _Tp >
constexpr bool std::experimental::fundamentals_v1::operator<= (const optional< _Tp > &__lhs, const _Tp &__rhs)
 
template<typename _Tp >
constexpr bool std::experimental::fundamentals_v1::operator<= (const _Tp &__lhs, const optional< _Tp > &__rhs)
 
template<typename _Tp >
constexpr bool std::experimental::fundamentals_v1::operator== (const optional< _Tp > &__lhs, const optional< _Tp > &__rhs)
 
template<typename _Tp >
constexpr bool std::experimental::fundamentals_v1::operator== (const optional< _Tp > &__lhs, nullopt_t) noexcept
 
template<typename _Tp >
constexpr bool std::experimental::fundamentals_v1::operator== (nullopt_t, const optional< _Tp > &__rhs) noexcept
 
template<typename _Tp >
constexpr bool std::experimental::fundamentals_v1::operator== (const optional< _Tp > &__lhs, const _Tp &__rhs)
 
template<typename _Tp >
constexpr bool std::experimental::fundamentals_v1::operator== (const _Tp &__lhs, const optional< _Tp > &__rhs)
 
template<typename _Tp >
constexpr bool std::experimental::fundamentals_v1::operator> (const optional< _Tp > &__lhs, const optional< _Tp > &__rhs)
 
template<typename _Tp >
constexpr bool std::experimental::fundamentals_v1::operator> (const optional< _Tp > &__lhs, nullopt_t) noexcept
 
template<typename _Tp >
constexpr bool std::experimental::fundamentals_v1::operator> (nullopt_t, const optional< _Tp > &) noexcept
 
template<typename _Tp >
constexpr bool std::experimental::fundamentals_v1::operator> (const optional< _Tp > &__lhs, const _Tp &__rhs)
 
template<typename _Tp >
constexpr bool std::experimental::fundamentals_v1::operator> (const _Tp &__lhs, const optional< _Tp > &__rhs)
 
template<typename _Tp >
constexpr bool std::experimental::fundamentals_v1::operator>= (const optional< _Tp > &__lhs, const optional< _Tp > &__rhs)
 
template<typename _Tp >
constexpr bool std::experimental::fundamentals_v1::operator>= (const optional< _Tp > &, nullopt_t) noexcept
 
template<typename _Tp >
constexpr bool std::experimental::fundamentals_v1::operator>= (nullopt_t, const optional< _Tp > &__rhs) noexcept
 
template<typename _Tp >
constexpr bool std::experimental::fundamentals_v1::operator>= (const optional< _Tp > &__lhs, const _Tp &__rhs)
 
template<typename _Tp >
constexpr bool std::experimental::fundamentals_v1::operator>= (const _Tp &__lhs, const optional< _Tp > &__rhs)
 
template<typename _Tp >
void std::experimental::fundamentals_v1::swap (optional< _Tp > &__lhs, optional< _Tp > &__rhs) noexcept(noexcept(__lhs.swap(__rhs)))
 

Variables

constexpr in_place_t std::experimental::fundamentals_v1::in_place
 
constexpr nullopt_t std::experimental::fundamentals_v1::nullopt
 

Detailed Description

This is a TS C++ Library header.

Definition in file optional.

Function Documentation

◆ __constexpr_addressof()

template<typename _Tp >
enable_if_t<_Has_addressof<_Tp>::value, _Tp*> std::experimental::fundamentals_v1::__constexpr_addressof ( _Tp &  __t)
inline

Fallback overload that defers to __addressof.

Definition at line 186 of file optional.

References std::__addressof(), and std::experimental::fundamentals_v1::__constexpr_addressof().