27 Time library [time]

27.8 The civil calendar [time.cal]

27.8.8 Class weekday_­last [time.cal.wdlast]

27.8.8.3 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]".