Function OutputInt32AsString

src/common/base/string_number.cc:473–480

template <typename OutputIterator>
OutputIterator OutputInt32AsString(int32_t i, OutputIterator output) {
  uint32_t u = i;
  if (i < 0) {
    *output++ = '-';
    u = -i;
  }
  return OutputUInt32AsString(u, output);
}

template <typename OutputIterator>
OutputIterator OutputUInt64AsString(uint64_t u64, OutputIterator output) {