1 //===----------------------------------------------------------------------===// 2 // 3 // The LLVM Compiler Infrastructure 4 // 5 // This file is dual licensed under the MIT and the University of Illinois Open 6 // Source Licenses. See LICENSE.TXT for details. 7 // 8 //===----------------------------------------------------------------------===// 9 // UNSUPPORTED: c++98, c++03, c++11, c++14, c++17 10 // XFAIL: * 11 12 // <chrono> 13 // class weekday; 14 15 // template<class charT, class traits> 16 // basic_ostream<charT, traits>& 17 // operator<<(basic_ostream<charT, traits>& os, const weekday& wd); 18 // 19 // Effects: If wd.ok() == true inserts format(os.getloc(), fmt, wd) where fmt is "%a" widened to charT. 20 // Otherwise inserts unsigned{wd} << " is not a valid weekday". 21 // 22 // template<class charT, class traits> 23 // basic_ostream<charT, traits>& 24 // to_stream(basic_ostream<charT, traits>& os, const charT* fmt, const weekday& wd); 25 // 26 // Effects: Streams wd into os using the format specified by the NTCTS fmt. 27 // fmt encoding follows the rules specified in 25.11. 28 // 29 // template<class charT, class traits, class Alloc = allocator<charT>> 30 // basic_istream<charT, traits>& 31 // from_stream(basic_istream<charT, traits>& is, const charT* fmt, 32 // weekday& wd, basic_string<charT, traits, Alloc>* abbrev = nullptr, 33 // minutes* offset = nullptr); 34 // 35 // Effects: Attempts to parse the input stream is into the weekday wd using 36 // the format flags given in the NTCTS fmt as specified in 25.12. 37 // If the parse fails to decode a valid weekday, is.setstate(ios_- base::failbit) 38 // shall be called and wd shall not be modified. 39 // If %Z is used and successfully parsed, that value will be assigned 40 // to *abbrev if abbrev is non-null. 41 // If %z (or a modified variant) is used and successfully parsed, 42 // that value will be assigned to *offset if offset is non-null. 43 44 #include <chrono> 45 #include <type_traits> 46 #include <cassert> 47 #include <iostream> 48 49 #include "test_macros.h" 50 51 int main() 52 { 53 using weekday = std::chrono::weekday; 54 55 std::cout << weekday{3}; 56 } 57