Function ParseDigitsRun

cpp/src/arrow/util/decimal.cc:808–818

inline bool StartsExponent(char c) { return c == 'e' || c == 'E'; }

inline size_t ParseDigitsRun(const char* s, size_t start, size_t size,
                             std::string_view* out) {
  size_t pos;
  for (pos = start; pos < size; ++pos) {
    if (!IsDigit(s[pos])) {
      break;
    }
  }
  *out = std::string_view(s + start, pos - start);
  return pos;
}

bool ParseDecimalComponents(const char* s, size_t size, DecimalComponents* out) {
  size_t pos = 0;