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57 lines
2.1 KiB
C++
57 lines
2.1 KiB
C++
//===----------------------------------------------------------------------===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is dual licensed under the MIT and the University of Illinois Open
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// Source Licenses. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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// UNSUPPORTED: c++98, c++03, c++11, c++14, c++17
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// XFAIL: *
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// <chrono>
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// class weekday;
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// template<class charT, class traits>
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// basic_ostream<charT, traits>&
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// operator<<(basic_ostream<charT, traits>& os, const weekday& wd);
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//
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// Effects: If wd.ok() == true inserts format(os.getloc(), fmt, wd) where fmt is "%a" widened to charT.
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// Otherwise inserts unsigned{wd} << " is not a valid weekday".
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//
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// template<class charT, class traits>
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// basic_ostream<charT, traits>&
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// to_stream(basic_ostream<charT, traits>& os, const charT* fmt, const weekday& wd);
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//
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// Effects: Streams wd into os using the format specified by the NTCTS fmt.
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// fmt encoding follows the rules specified in 25.11.
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//
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// template<class charT, class traits, class Alloc = allocator<charT>>
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// basic_istream<charT, traits>&
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// from_stream(basic_istream<charT, traits>& is, const charT* fmt,
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// weekday& wd, basic_string<charT, traits, Alloc>* abbrev = nullptr,
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// minutes* offset = nullptr);
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//
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// Effects: Attempts to parse the input stream is into the weekday wd using
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// the format flags given in the NTCTS fmt as specified in 25.12.
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// If the parse fails to decode a valid weekday, is.setstate(ios_- base::failbit)
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// shall be called and wd shall not be modified.
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// If %Z is used and successfully parsed, that value will be assigned
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// to *abbrev if abbrev is non-null.
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// If %z (or a modified variant) is used and successfully parsed,
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// that value will be assigned to *offset if offset is non-null.
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#include <chrono>
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#include <type_traits>
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#include <cassert>
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#include <iostream>
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#include "test_macros.h"
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int main()
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{
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using weekday = std::chrono::weekday;
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std::cout << weekday{3};
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}
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