Function stringify

Bcore/src/main/cpp/Dobby/tests/catch.hpp:850–852

// This function dispatches all stringification requests inside of Catch.
// Should be preferably called fully qualified, like ::Catch::Detail::stringify
template <typename T> std::string stringify(const T &e) {
  return ::Catch::StringMaker<typename std::remove_cv<typename std::remove_reference<T>::type>::type>::convert(e);
}

template <typename E> std::string convertUnknownEnumToString(E e) {
  return ::Catch::Detail::stringify(static_cast<typename std::underlying_type<E>::type>(e));