Function convertInto

Bcore/src/main/cpp/Dobby/tests/catch.hpp:5648–5656

};

template <typename T> inline auto convertInto(std::string const &source, T &target) -> ParserResult {
  std::stringstream ss;
  ss << source;
  ss >> target;
  if (ss.fail())
    return ParserResult::runtimeError("Unable to convert '" + source + "' to destination type");
  else
    return ParserResult::ok(ParseResultType::Matched);
}
inline auto convertInto(std::string const &source, std::string &target) -> ParserResult {
  target = source;
  return ParserResult::ok(ParseResultType::Matched);