Function fixZerosInTheEnd

Utilities/cmjsoncpp/src/lib_json/json_tool.h:120–134

 */
template <typename Iter>
Iter fixZerosInTheEnd(Iter begin, Iter end, unsigned int precision) {
  for (; begin != end; --end) {
    if (*(end - 1) != '0') {
      return end;
    }
    // Don't delete the last zero before the decimal point.
    if (begin != (end - 1) && begin != (end - 2) && *(end - 2) == '.') {
      if (precision) {
        return end;
      }
      return end - 2;
    }
  }
  return end;
}

} // namespace Json