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7adcbafe | 1 | // Copyright (C) 2019-2022 Free Software Foundation, Inc. |
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2 | // |
3 | // This file is part of the GNU ISO C++ Library. This library is free | |
4 | // software; you can redistribute it and/or modify it under the | |
5 | // terms of the GNU General Public License as published by the | |
748086b7 | 6 | // Free Software Foundation; either version 3, or (at your option) |
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7 | // any later version. |
8 | ||
9 | // This library is distributed in the hope that it will be useful, | |
10 | // but WITHOUT ANY WARRANTY; without even the implied warranty of | |
11 | // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
12 | // GNU General Public License for more details. | |
13 | ||
14 | // You should have received a copy of the GNU General Public License along | |
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15 | // with this library; see the file COPYING3. If not see |
16 | // <http://www.gnu.org/licenses/>. | |
8f407473 | 17 | |
9aeb3bef | 18 | // { dg-do compile { target c++11 } } |
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19 | |
20 | #include <iterator> | |
8f407473 | 21 | |
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22 | using std::output_iterator_tag; |
23 | using std::input_iterator_tag; | |
24 | using std::iterator_traits; | |
8f407473 | 25 | |
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26 | static_assert( std::is_empty<output_iterator_tag>::value ); |
27 | static_assert( std::is_trivially_copy_constructible<output_iterator_tag>::value ); | |
8f407473 | 28 | |
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29 | static_assert( ! std::is_base_of<input_iterator_tag, |
30 | output_iterator_tag>::value ); | |
31 | static_assert( ! std::is_convertible<output_iterator_tag*, | |
32 | input_iterator_tag*>::value ); |