1bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant//===----------------------------------------------------------------------===// 2bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant// 3f5256e16dfc425c1d466f6308d4026d529ce9e0bHoward Hinnant// The LLVM Compiler Infrastructure 4bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant// 5b64f8b07c104c6cc986570ac8ee0ed16a9f23976Howard Hinnant// This file is dual licensed under the MIT and the University of Illinois Open 6b64f8b07c104c6cc986570ac8ee0ed16a9f23976Howard Hinnant// Source Licenses. See LICENSE.TXT for details. 7bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant// 8bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant//===----------------------------------------------------------------------===// 9bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant 10bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant// <algorithm> 11bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant 12eb564e76cc3904d811c981a50ecce0659f444cc9Howard Hinnant// template<ForwardIterator Iter, Predicate<auto, Iter::value_type> Pred> 13eb564e76cc3904d811c981a50ecce0659f444cc9Howard Hinnant// requires OutputIterator<Iter, RvalueOf<Iter::reference>::type> 14eb564e76cc3904d811c981a50ecce0659f444cc9Howard Hinnant// && CopyConstructible<Pred> 15bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant// Iter 16bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant// remove_if(Iter first, Iter last, Pred pred); 17bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant 18bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant#include <algorithm> 19bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant#include <functional> 20bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant#include <cassert> 2173d21a4f0774d3fadab98e690619a359cfb160a3Howard Hinnant#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES 22bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant#include <memory> 23bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant#endif 24bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant 2583e2c4d877fe2d7793868b1c6a5d9525a7c4d431Marshall Clow#include "test_iterators.h" 26bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant 27bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnanttemplate <class Iter> 28bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnantvoid 29bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnanttest() 30bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant{ 31bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant int ia[] = {0, 1, 2, 3, 4, 2, 3, 4, 2}; 32bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant const unsigned sa = sizeof(ia)/sizeof(ia[0]); 33bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant int* r = std::remove_if(ia, ia+sa, std::bind2nd(std::equal_to<int>(), 2)); 34bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(r == ia + sa-3); 35bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(ia[0] == 0); 36bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(ia[1] == 1); 37bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(ia[2] == 3); 38bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(ia[3] == 4); 39bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(ia[4] == 3); 40bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(ia[5] == 4); 41bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant} 42bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant 4373d21a4f0774d3fadab98e690619a359cfb160a3Howard Hinnant#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES 44bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant 45bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnantstruct pred 46bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant{ 47bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant bool operator()(const std::unique_ptr<int>& i) {return *i == 2;} 48bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant}; 49bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant 50bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnanttemplate <class Iter> 51bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnantvoid 52bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnanttest1() 53bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant{ 54bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant const unsigned sa = 9; 55bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant std::unique_ptr<int> ia[sa]; 56bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant ia[0].reset(new int(0)); 57bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant ia[1].reset(new int(1)); 58bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant ia[2].reset(new int(2)); 59bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant ia[3].reset(new int(3)); 60bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant ia[4].reset(new int(4)); 61bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant ia[5].reset(new int(2)); 62bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant ia[6].reset(new int(3)); 63bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant ia[7].reset(new int(4)); 64bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant ia[8].reset(new int(2)); 65bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant Iter r = std::remove_if(Iter(ia), Iter(ia+sa), pred()); 66bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(base(r) == ia + sa-3); 67bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(*ia[0] == 0); 68bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(*ia[1] == 1); 69bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(*ia[2] == 3); 70bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(*ia[3] == 4); 71bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(*ia[4] == 3); 72bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(*ia[5] == 4); 73bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant} 74bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant 7573d21a4f0774d3fadab98e690619a359cfb160a3Howard Hinnant#endif // _LIBCPP_HAS_NO_RVALUE_REFERENCES 76bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant 77bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnantint main() 78bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant{ 79bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant test<forward_iterator<int*> >(); 80bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant test<bidirectional_iterator<int*> >(); 81bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant test<random_access_iterator<int*> >(); 82bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant test<int*>(); 83bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant 8473d21a4f0774d3fadab98e690619a359cfb160a3Howard Hinnant#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES 85bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant 86bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant test1<forward_iterator<std::unique_ptr<int>*> >(); 87bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant test1<bidirectional_iterator<std::unique_ptr<int>*> >(); 88bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant test1<random_access_iterator<std::unique_ptr<int>*> >(); 89bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant test1<std::unique_ptr<int>*>(); 90bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant 9173d21a4f0774d3fadab98e690619a359cfb160a3Howard Hinnant#endif // _LIBCPP_HAS_NO_RVALUE_REFERENCES 92bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant} 93