Template Class optional_value¶ Defined in File optional_value.h Class Documentation¶ template<typename T>class optional_value¶ Public Functions optional_value() = default¶ inline optional_value(T const &value)¶ inline optional_value &operator=(T const &value)¶ inline bool is_set() const¶ inline T const &value() const¶ inline T &value()¶ inline T value_or(T default_) const¶ inline T &&consume()¶ inline operator bool() const¶