boost::openmethod::policies::throw_error_handler

struct throw_error_handler
    : error_handler

struct throwing_registry
    : registry<
          policies::std_rtti, policies::fast_perfect_hash,
          policies::vptr_vector, policies::throw_error_handler> {};

Cat felix;

try {
    trick(virtual_ptr<Animal, throwing_registry>(felix));
} catch (const no_overrider&) {
    std::cerr << "no overrider for Cat\n";
}