std::chrono::operator<<(std::chrono::utc_time)

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std::chrono::utc_clock

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Defined in header`<chrono>`
template<class CharT,class Traits,class Duration> std::basic_ostream<CharT, Traits>& operator<<(std::basic_ostream<CharT, Traits>& os, conststd::chrono::utc_time<Duration>& tp);		(since C++20)

Outputstp into the streamos, as if byos<<std::format(os.getloc(), STATICALLY-WIDEN("{:L%F %T}"), tp), whereSTATICALLY_WIDEN<CharT>("{:L%F %T}") is"{:L%F %T}" ifCharT ischar, andL"{:L%F %T}" ifCharT iswchar_t.

[edit]Return value

[edit]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

[edit]See also

std::formatter<std::chrono::utc_time> (C++20)	formatting support for`utc_time` (class template specialization)[edit]
format (C++20)	stores formatted representation of the arguments in a new string (function template)[edit]

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std::chrono::operator<<(std::chrono::utc_time)

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