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52066eae | 1 | // { dg-do run { target c++14 } } |
c0b12dad | 2 | |
7adcbafe | 3 | // Copyright (C) 2015-2022 Free Software Foundation, Inc. |
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4 | // |
5 | // This file is part of the GNU ISO C++ Library. This library is free | |
6 | // software; you can redistribute it and/or modify it under the | |
7 | // terms of the GNU General Public License as published by the | |
8 | // Free Software Foundation; either version 3, or (at your option) | |
9 | // any later version. | |
10 | ||
11 | // This library is distributed in the hope that it will be useful, | |
12 | // but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
14 | // GNU General Public License for more details. | |
15 | ||
c7cbb4da | 16 | // You should have received a copy of the GNU General Public License along |
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17 | // with this library; see the file COPYING3. If not see |
18 | // <http://www.gnu.org/licenses/>. | |
19 | ||
20 | #include <experimental/unordered_set> | |
21 | #include <testsuite_hooks.h> | |
22 | ||
23 | void | |
24 | test01() | |
25 | { | |
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26 | auto is_odd = [](const int i) { return i % 2 != 0; }; |
27 | ||
28 | std::unordered_set<int> us{ 10, 11, 12, 14, 15, 17, 18, 19 }; | |
29 | std::experimental::erase_if(us, is_odd); | |
30 | std::unordered_set<int> t{ 10, 12, 14, 18 }; | |
31 | VERIFY( us == t ); | |
32 | } | |
33 | ||
34 | void | |
35 | test02() | |
36 | { | |
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37 | auto is_odd = [](const int i) { return i % 2 != 0; }; |
38 | ||
39 | std::unordered_multiset<int> ums{ 20, 21, 22, 22, 23, 23, 24, 25 }; | |
40 | std::experimental::erase_if(ums, is_odd); | |
41 | std::unordered_multiset<int> t{ 20, 22, 22, 24 }; | |
42 | VERIFY( ums == t ); | |
43 | } | |
44 | ||
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45 | void |
46 | test_pr107850() | |
47 | { | |
48 | // Predicate only callable as non-const. | |
49 | struct Pred { bool operator()(const int&) { return false; } }; | |
50 | const Pred pred; // erase_if parameter is passed by value, so non-const. | |
51 | std::unordered_set<int> s; | |
52 | std::experimental::erase_if(s, pred); | |
53 | std::unordered_multiset<int> ms; | |
54 | std::experimental::erase_if(ms, pred); | |
55 | } | |
56 | ||
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57 | int |
58 | main() | |
59 | { | |
60 | test01(); | |
61 | test02(); | |
ee5ab84e | 62 | test_pr107850(); |
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63 | |
64 | return 0; | |
65 | } |