Defined in header <chrono> | ||
|---|---|---|
template <class CharT, class Traits, class Duration, class TimeZonePtr >
std::basic_ostream<CharT, Traits>&
operator<<( std::basic_ostream<CharT, Traits>& os,
const std::chrono::zoned_time<Duration, TimeZonePtr>& tp );
| (since C++20) |
Outputs tp to the stream os, as if by std::format(os.getloc(), fmt, tp), where fmt is "{:L%F %T %Z}" if CharT is char, or L"{:L%F %T %Z}" if CharT is wchar_t.
| os | - | output stream |
| tp | - | zoned_time to output |
os.
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 |
|
(C++20) | formatting support for zoned_time (class template specialization) |
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