template <class CharT, class Traits> std::basic_ostream<CharT, Traits>& operator<<(std::basic_ostream<CharT, Traits>& os, const std::chrono::weekday_last& wdl); | (since C++20) |
Outputs a textual representation of wdl
into the stream os
, as if by os << wdl.weekday() << "[last]";
.
os
.
This operator<<
is primarily intended for debugging use. When used with non-default stream flags, the output may be surprising:
auto wdl = std::chrono::Sunday[std::chrono::last]; std::cout.width(10); std::cout.fill('-'); std::cout << std::left << wdl; // may output "Sun-------[last]"
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