Method operator()

cpp/src/arrow/util/formatting.h:214–225

  template <typename Appender>
  Return<Appender> operator()(value_type value, Appender&& append) {
    constexpr size_t buffer_size =
        detail::Digits10(std::numeric_limits<value_type>::max()) + 1;

    std::array<char, buffer_size> buffer;
    char* cursor = buffer.data() + buffer_size;
    detail::FormatAllDigits(detail::Abs(value), &cursor);
    if (value < 0) {
      detail::FormatOneChar('-', &cursor);
    }
    return append(detail::ViewDigitBuffer(buffer, cursor));
  }
};

template <>