c10::optional< T > Class Template Reference

Inheritance diagram for c10::optional< T >:

Public Types
typedef T	value_type

Public Member Functions
constexpr	optional (nullopt_t) noexcept
	optional (const optional &rhs)
	optional (optional &&rhs) noexcept(std::is_nothrow_move_constructible< T >::value)
template<typename U = T, TR2_OPTIONAL_REQUIRES(std::is_constructible< T, U && >::value &&!std::is_same< typename std::decay< U >::type, in_place_t >::value &&!std::is_same< typename std::decay< U >::type, optional< T >>::value &&std::is_convertible< U &&, T >) >
constexpr	optional (U &&u)
template<typename U = T, TR2_OPTIONAL_REQUIRES(std::is_constructible< T, U && >::value &&!std::is_same< typename std::decay< U >::type, in_place_t >::value &&!std::is_same< typename std::decay< U >::type, optional< T >>::value &&!std::is_convertible< U &&, T >) >
constexpr	optional (U &&u)
template<class... Args>
constexpr	optional (in_place_t, Args &&...args)
template<class U , class... Args, TR2_OPTIONAL_REQUIRES(std::is_constructible< T, std::initializer_list< U >>) >
OPTIONAL_CONSTEXPR_INIT_LIST	optional (in_place_t, std::initializer_list< U > il, Args &&...args)
optional &	operator= (nullopt_t) noexcept
optional &	operator= (const optional &rhs)
optional &	operator= (optional &&rhs) noexcept(std::is_nothrow_move_assignable< T >::value &&std::is_nothrow_move_constructible< T >::value)
template<class U = T>
auto	operator= (U &&v) -> typename std::enable_if< std::is_constructible< T, U >::value &&!std::is_same< typename std::decay< U >::type, optional< T >>::value &&(std::is_scalar< T >::value||std::is_same< typename std::decay< U >::type, T >::value)&&std::is_assignable< T &, U >::value, optional & >::type
template<class... Args>
void	emplace (Args &&...args)
template<class U , class... Args>
void	emplace (std::initializer_list< U > il, Args &&...args)
void	swap (optional< T > &rhs) noexcept(std::is_nothrow_move_constructible< T >::value &&noexcept(swap(std::declval< T & >(), std::declval< T & >())))
constexpr	operator bool () const noexcept
constexpr bool	has_value () const noexcept
constexpr T const *	operator-> () const
T *	operator-> ()
constexpr T const &	operator* () const
T &	operator* ()
constexpr T const &	value () const
T &	value ()
template<class V >
constexpr T	value_or (V &&v) const
void	reset () noexcept

Detailed Description

template<class T>
class c10::optional< T >

Definition at line 118 of file Optional.h.

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

• c10/util/Optional.h