("{:L%F %T}") is "{:L%F %T}" if CharT is char, and L"{:L%F %T}" if CharT is wchar_t.">

std::chrono::operator<<(std::chrono::utc_time) - cppreference.com (original) (raw)

Outputs tp into the stream os, as if by os << std::format(os.getloc(), STATICALLY-WIDEN("{:L%F %T}"), tp), where STATICALLY_WIDEN<CharT>("{:L%F %T}") is "{:L%F %T}" if CharT is char, and L"{:L%F %T}" if CharT is wchar_t.

[edit] Return value

os

[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