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std::bad_optional_access

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)

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