25 Time library [time]

25.8 The civil calendar [time.cal]

25.8.12 Class month_weekday_last [time.cal.mwdlast]

25.8.12.3 Non-member functions [time.cal.mwdlast.nonmembers]

constexpr bool operator==(const month_weekday_last& x, const month_weekday_last& y) noexcept;

Returns: x.month() == y.month() && x.weekday_last() == y.weekday_last().

template<class charT, class traits>
  basic_ostream<charT, traits>&
    operator<<(basic_ostream<charT, traits>& os, const month_weekday_last& mwdl);

Returns: os << mwdl.month() << '/' << mwdl.weekday_last().