beman::optional beman/optional.adoc beman::optional::bad_optional_access beman::optional::hash beman::optional::hash beman::optional::in_place_t beman::optional::nullopt_t beman::optional::optional beman::optional::optional beman::optional::make_optional beman::optional::operator== beman::optional::operator!= beman::optional::operator< beman::optional::operator<= beman::optional::operator> beman::optional::operator>= beman::optional::operator<=> beman::optional::in_place beman::optional::nullopt beman::optional::is_derived_from_optional void swap beman/optional/swap.adoc (optional<T>& x, optional<T>& y) beman::optional::bad_optional_access beman/optional/bad_optional_access.adoc void bad_optional_access beman/optional/bad_optional_access/2constructor.adoc () exception& operator= beman/optional/bad_optional_access/operator_assign.adoc (const exception& value) const char* what beman/optional/bad_optional_access/what.adoc () beman::optional::hash beman/optional/hash-056.adoc beman::optional::hash beman/optional/hash-051.adoc beman::optional::in_place_t beman/optional/in_place_t.adoc void in_place_t beman/optional/in_place_t/2constructor.adoc () beman::optional::nullopt_t beman/optional/nullopt_t.adoc void nullopt_t beman/optional/nullopt_t/2constructor.adoc (Tag value) beman::optional::optional beman/optional/optional-03.adoc bool has_value beman/optional/optional-03/has_value.adoc () void reset beman/optional/optional-03/reset.adoc () void swap beman/optional/optional-03/swap.adoc (optional& rhs) bool operator bool beman/optional/optional-03/2conversion.adoc () beman::optional::optional beman/optional/optional-06.adoc void ~optional beman/optional/optional-06/2destructor.adoc () auto and_then beman/optional/optional-06/and_then.adoc (F&& f) optional<T&>::iterator begin beman/optional/optional-06/begin.adoc () T& emplace beman/optional/optional-06/emplace.adoc (U&& u) optional<T&>::iterator end beman/optional/optional-06/end.adoc () bool has_value beman/optional/optional-06/has_value.adoc () T& operator* beman/optional/optional-06/operator_star.adoc () T* operator-> beman/optional/optional-06/operator_ptr.adoc () optional<T&> or_else beman/optional/optional-06/or_else.adoc (F&& f) void reset beman/optional/optional-06/reset.adoc () void swap beman/optional/optional-06/swap.adoc (optional& rhs) optional<std::invoke_result_t<F, T&>> transform beman/optional/optional-06/transform.adoc (F&& f) T& value beman/optional/optional-06/value.adoc () std::remove_cv_t<T> value_or beman/optional/optional-06/value_or.adoc (U&& u) bool operator bool beman/optional/optional-06/2conversion.adoc () beman::optional::make_optional beman/optional/make_optional-02.adoc beman::optional::operator== beman/optional/operator_eq-0b0.adoc beman::optional::operator!= beman/optional/operator_not_eq-0c.adoc beman::optional::operator< beman/optional/operator_lt-07.adoc beman::optional::operator<= beman/optional/operator_le-05.adoc beman::optional::operator> beman/optional/operator_gt-05.adoc beman::optional::operator>= beman/optional/operator_ge-09.adoc beman::optional::operator<=> beman/optional/operator_3way-0b.adoc beman::optional::in_place beman/optional/in_place.adoc beman::optional::nullopt beman/optional/nullopt.adoc beman::optional::is_derived_from_optional beman/optional/is_derived_from_optional.adoc