std::bad_optional_access (3) - Linux Man Pages

std::bad_optional_access: std::bad_optional_access

NAME

std::bad_optional_access - std::bad_optional_access

Synopsis


Defined in header <optional>
class bad_optional_access; (since C++17)


Defines a type of object to be thrown by std::optional::value when accessing an optional object that does not contain a value.
 std-bad optional access-inheritance-lwg2806.svg
Inheritance diagram

Member functions


              constructs the exception object
constructor (public member function)


Inherited from std::exception

Member functions


destructor destroys the exception object
             (virtual public member function of std::exception)
[virtual]


what returns an explanatory string
             (virtual public member function of std::exception)
[virtual]