std::experimental::bad_optional_access(3)             Library Functions Manual

NAME
       std::experimental::bad_optional_access - Exception class thrown when a
       disengaged optional object is dereferenced.


SYNOPSIS
       #include <optional>

       Inherits std::logic_error.

   Public Member Functions
       bad_optional_access (const char *__arg)
       virtual const char * what () const noexcept

Detailed Description
       Exception class thrown when a disengaged optional object is
       dereferenced.

Member Function Documentation
   virtual const char * std::logic_error::what () const [virtual],
       [noexcept],  [inherited]
       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.


Author
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                                   libstdc++
                                     std::experimental::bad_optional_access(3)