Function ViewDigitBuffer

cpp/src/arrow/util/formatting.h:188–192

template <size_t BUFFER_SIZE>
std::string_view ViewDigitBuffer(const std::array<char, BUFFER_SIZE>& buffer,
                                 char* cursor) {
  auto buffer_end = buffer.data() + BUFFER_SIZE;
  return {cursor, static_cast<size_t>(buffer_end - cursor)};
}

template <typename Int, typename UInt = typename std::make_unsigned<Int>::type>
constexpr UInt Abs(Int value) {