Function BufferSizeYYYY_MM_DD

cpp/src/arrow/util/formatting.h:341–345

namespace detail {

constexpr size_t BufferSizeYYYY_MM_DD() {
  // "-"? "99999-12-31"
  return 1 + detail::Digits10(99999) + 1 + detail::Digits10(12) + 1 +
         detail::Digits10(31);
}

inline void FormatYYYY_MM_DD(arrow_vendored::date::year_month_day ymd, char** cursor) {
  FormatTwoDigits(static_cast<unsigned>(ymd.day()), cursor);