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std::bad_optional_access

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Defined in header <optional>
class bad_optional_access;
(library fundamentals TS)

Defines a type of object to be thrown as exception when accessing a std::experimental::optional object with uninitialized state.

cpp/error/exceptioncpp/error/logic errorstd-bad optional access-inheritance.svg
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Inheritance diagram

Contents

[edit] Member functions

(constructor)
constructs the exception object
(public member function) [edit]

std::bad_optional_access::bad_optional_access

explicit bad_optional_access( const std::string& what_arg );
(1) (library fundamentals TS)
explicit bad_optional_access( const char* what_arg );
(2) (library fundamentals TS)

Constructs the exception object with what_arg as explanatory string that can be accessed through what().

Parameters

what_arg - explanatory string

Exceptions

(none)


Inherited from std::exception

Member functions

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