C++程序  |  35行  |  924 B

//===----------------------------------------------------------------------===//
//
//                     The LLVM Compiler Infrastructure
//
// This file is dual licensed under the MIT and the University of Illinois Open
// Source Licenses. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
// UNSUPPORTED: c++98, c++03, c++11, c++14, c++17
// XFAIL: *

// <chrono>
// class weekday_last;

//   template<class charT, class traits>
//     basic_ostream<charT, traits>&
//     operator<<(basic_ostream<charT, traits>& os, const weekday_last& wdl);
//
//   Returns: os << wdl.weekday() << "[last]".

#include <chrono>
#include <type_traits>
#include <cassert>
#include <iostream>

#include "test_macros.h"

int main()
{
   using weekday_last = std::chrono::weekday_last;
   using weekday      = std::chrono::weekday;

   std::cout << weekday_last{weekday{3}};
}