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//===----------------------------------------------------------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
// UNSUPPORTED: c++03, c++11, c++14, c++17
// XFAIL: *
// <chrono>
// class day;
// template<class charT, class traits>
// basic_ostream<charT, traits>&
// operator<<(basic_ostream<charT, traits>& os, const day& d);
//
// Effects: Inserts format(fmt, d) where fmt is "%d" widened to charT.
// If !d.ok(), appends with " is not a valid day".
//
// template<class charT, class traits>
// basic_ostream<charT, traits>&
// to_stream(basic_ostream<charT, traits>& os, const charT* fmt, const day& d);
//
// Effects: Streams d into os using the format specified by the NTCTS fmt.
// fmt encoding follows the rules specified in 25.11.
//
// template<class charT, class traits, class Alloc = allocator<charT>>
// basic_istream<charT, traits>&
// from_stream(basic_istream<charT, traits>& is, const charT* fmt,
// day& d, basic_string<charT, traits, Alloc>* abbrev = nullptr,
// minutes* offset = nullptr);
//
// Effects: Attempts to parse the input stream is into the day d using the format flags
// given in the NTCTS fmt as specified in 25.12.
// If the parse fails to decode a valid day, is.setstate(ios_base::failbit)
// shall be called and d shall not be modified.
// If %Z is used and successfully parsed, that value will be assigned to *abbrev
// if abbrev is non-null. If %z (or a modified variant) is used and
// successfully parsed, that value will be assigned to *offset if offset is non-null.
//
#include <chrono>
#include <type_traits>
#include <cassert>
#include <iostream>
#include "test_macros.h"
int main(int, char**)
{
using day = std::chrono::day;
std::cout << day{1};
return 0;
}
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