| 1 | //===----------------------------------------------------------------------===// |
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| 2 | // |
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| 3 | // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
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| 4 | // See https://llvm.org/LICENSE.txt for license information. |
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| 5 | // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
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| 6 | // |
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| 7 | //===----------------------------------------------------------------------===// |
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| 8 | |
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| 9 | // UNSUPPORTED: c++03, c++11, c++14, c++17 |
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| 10 | // UNSUPPORTED: no-filesystem, no-localization, no-tzdb |
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| 11 | |
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| 12 | // XFAIL: libcpp-has-no-experimental-tzdb |
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| 13 | // XFAIL: availability-tzdb-missing |
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| 14 | |
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| 15 | // <chrono> |
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| 16 | // |
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| 17 | // class tzdb_list; |
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| 18 | // |
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| 19 | // const_iterator erase_after(const_iterator p); |
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| 20 | // |
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| 21 | // [time.zone.db.list]/5 |
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| 22 | // Preconditions: The iterator following p is dereferenceable. |
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| 23 | // |
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| 24 | // Since there is no Standard way to create a second entry it's not |
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| 25 | // possible to fulfill this precondition. This is tested in a libc++ |
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| 26 | // specific test. |
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| 27 | |
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| 28 | #include <chrono> |
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| 29 | #include <concepts> |
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| 30 | |
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| 31 | std::chrono::tzdb_list& list = std::chrono::get_tzdb_list(); |
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| 32 | static_assert(std::same_as<decltype(list.erase_after(std::chrono::tzdb_list::const_iterator{})), |
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| 33 | std::chrono::tzdb_list::const_iterator>); |
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| 34 | |
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