NAME¶

std::chrono::operator<<(std::chrono::month_weekday) - std::chrono::operator<<(std::chrono::month_weekday)

Synopsis¶

Defined in header <chrono>
template <class CharT, class Traits>

std::basic_ostream<CharT, Traits>& (since C++20)
operator<<( std::basic_ostream<CharT, Traits>& os,

const std::chrono::month_weekday& mwd );

Outputs a textual representation of mwd into os, as if by

os << std::format(os.getloc(), STATICALLY_WIDEN<CharT>("{:L}/{:L}"),
mwd.month(), mwd.weekday_indexed());

where STATICALLY_WIDEN<CharT>("{:L}/{:L}") is "{:L}/{:L}" if CharT is char, and
L"{:L}/{:L}" if CharT is wchar_t.

Return value¶

os.

Defect reports

The following behavior-changing defect reports were applied retroactively to
previously published C++ standards.

DR Applied to Behavior as published Correct behavior
P2372R3 C++20 the given locale was used by default L is needed to use the given
locale

See also¶

format stores formatted representation of the arguments
(C++20) in a new string
(function template)
std::formatter<std::chrono::month> specialization of std::formatter that formats a
(C++20) month according to the provided format
(class template specialization)