std::bad_optional_access

< cpp‎ | utility‎ | optional
 
 
 
 
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.

cpp/error/exceptionstd-bad optional access-inheritance-lwg2806.svg

Inheritance diagram

Member functions

(constructor)
constructs the exception object
(public member function)

Inherited from std::exception

Member functions

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