25 Time library [time]

25.8 The civil calendar [time.cal]

25.8.8 Class weekday_last [time.cal.wdlast]

25.8.8.3 Non-member functions [time.cal.wdlast.nonmembers]

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

Returns: x.weekday() == y.weekday().

template<class charT, class traits>
  basic_ostream<charT, traits>&
    operator<<(basic_ostream<charT, traits>& os, const weekday_last& wdl);

Returns: os << wdl.weekday() << "[last]".