1 //===----------------------------------------------------------------------===// 2 // 3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 4 // See https://llvm.org/LICENSE.txt for license information. 5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 6 // 7 //===----------------------------------------------------------------------===// 8 9 // UNSUPPORTED: c++03, c++11, c++14, c++17 10 // UNSUPPORTED: no-filesystem, no-localization, no-tzdb 11 12 // XFAIL: libcpp-has-no-experimental-tzdb 13 // XFAIL: availability-tzdb-missing 14 15 // <chrono> 16 // 17 // class tzdb_list; 18 // 19 // const tzdb& front() const noexcept; 20 21 #include <chrono> 22 main(int,char **)23int main(int, char**) { 24 const std::chrono::tzdb_list& list = std::chrono::get_tzdb_list(); 25 [[maybe_unused]] const std::chrono::tzdb& _ = list.front(); 26 static_assert(noexcept(list.front())); 27 28 return 0; 29 } 30