std::experimental::bad_optional_access - Man Page

Exception class thrown when a disengaged optional object is dereferenced.

Synopsis

#include <optional>

Inherits std::logic_error.

bad_optional_access (const char *__arg)
virtual const char * what () const noexcept

Exception class thrown when a disengaged optional object is dereferenced.

Returns a C-style character string describing the general cause of the current error (the same string passed to the ctor).

Reimplemented from std::exception.

Reimplemented in std::future_error.

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