[libc++][chrono] Add hh_mm_ss formatter.
Partially implements:
- P1361 Integration of chrono with text formatting
- P2372 Fixing locale handling in chrono formatters
- P1466 Miscellaneous minor fixes for chrono
Depends on D137022
Reviewed By: ldionne, #libc
Differential Revision: https://reviews.llvm.org/D139771
diff --git a/libcxx/include/__chrono/ostream.h b/libcxx/include/__chrono/ostream.h
index 30a04bd..4af4476 100644
--- a/libcxx/include/__chrono/ostream.h
+++ b/libcxx/include/__chrono/ostream.h
@@ -12,6 +12,7 @@
#include <__chrono/day.h>
#include <__chrono/duration.h>
+#include <__chrono/hh_mm_ss.h>
#include <__chrono/month.h>
#include <__chrono/month_weekday.h>
#include <__chrono/monthday.h>
@@ -229,6 +230,12 @@
__ymwdl.weekday_last());
}
+template <class _CharT, class _Traits, class _Duration>
+_LIBCPP_HIDE_FROM_ABI _LIBCPP_AVAILABILITY_FORMAT basic_ostream<_CharT, _Traits>&
+operator<<(basic_ostream<_CharT, _Traits>& __os, const hh_mm_ss<_Duration> __hms) {
+ return __os << std::format(__os.getloc(), _LIBCPP_STATICALLY_WIDEN(_CharT, "{:L%T}"), __hms);
+}
+
} // namespace chrono
#endif //if _LIBCPP_STD_VER > 17 && !defined(_LIBCPP_HAS_NO_INCOMPLETE_FORMAT)
