Template Class optional< T & >

• Defined in File Optional.h

Class Documentation

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

Public Functions

constexpr optional() noexcept

constexpr optional(nullopt_t) noexcept

template<typename U = T>
constexpr optional(U &u) noexcept

template<typename U = T>
optional(U&&) = delete

constexpr optional(const optional &rhs) noexcept

constexpr optional(in_place_t, T &v) noexcept

optional(in_place_t, T&&) = delete

~optional() = default

optional &operator=(nullopt_t) noexcept

template<typename U>
auto operator=(U &&rhs) noexcept -> typename std::enable_if<std::is_same<typename std::decay<U>::type, optional<T&>>::value, optional&>::type

template<typename U>
auto operator=(U &&rhs) noexcept -> typename std::enable_if<!std::is_same<typename std::decay<U>::type, optional<T&>>::value, optional&>::type = delete

void emplace(T &v) noexcept

void emplace(T&&) = delete

void swap(optional<T&> &rhs) noexcept

constexpr T *operator->() const

constexpr T &operator*() const

constexpr T &value() const

constexpr operator bool() const noexcept

constexpr bool has_value() const noexcept

template<class V>
constexpr std::decay<T>::type value_or(V &&v) const

void reset() noexcept