NAME¶

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

Synopsis¶

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

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

const std::chrono::hh_mm_ss<Duration>& t );

Outputs t into the stream os.

Equivalent to return os << std::format(os.getloc(),
STATICALLY_WIDEN<CharT>("{:L%T}"), hms); where STATICALLY_WIDEN<CharT>("{:L%T}") is
"{:L%T}" if CharT is char, and L"{:L%T}" if CharT is wchar_t.

Parameters¶

os - the output stream
t - the time of day to be output

Return value¶

os

Example¶

This section is incomplete
Reason: no example

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
(C++20) arguments in a new string
(function template)
std::formatter<std::chrono::hh_mm_ss> formatting support for hh_mm_ss
(C++20) (class template specialization)

Category:¶

* Todo no example