Boost C++ Libraries

...one of the most highly regarded and expertly designed C++ library projects in the world. — Herb Sutter and Andrei Alexandrescu, C++ Coding Standards

Class bad_visit

boost::bad_visit — The exception thrown in the event of a visitor unable to handle the visited value.

// In header: <boost/variant/bad_visit.hpp>


class bad_visit : public std::exception {
public:
  virtual const char * what() const;
};

virtual const char * what() const;