std::bad_typeid(3) Library Functions Manual std::bad_typeid(3) NAME std::bad_typeid - Thrown when a NULL pointer in a typeid expression is used. SYNOPSIS #include Inherits std::exception. Public Member Functions virtual const char * what () const noexcept Detailed Description Thrown when a NULL pointer in a typeid expression is used. Member Function Documentation virtual const char * std::bad_typeid::what () const [virtual], [noexcept] Returns a C-style character string describing the general cause of the current error. Reimplemented from std::exception. Author Generated automatically by Doxygen for libstdc++ from the source code. libstdc++ std::bad_typeid(3)