...one of the most highly
regarded and expertly designed C++ library projects in the
world.
— Herb Sutter and Andrei
Alexandrescu, C++
Coding Standards
boost::bad_any_cast — The exception thrown in the event of a failed
any_cast
of an
any
value.
// In header: <boost/any.hpp> class bad_any_cast : public std::bad_cast { public: virtual const char * what() const; };