Home | History | Annotate | Download | only in alg.replace
      1 //===----------------------------------------------------------------------===//
      2 //
      3 //                     The LLVM Compiler Infrastructure
      4 //
      5 // This file is dual licensed under the MIT and the University of Illinois Open
      6 // Source Licenses. See LICENSE.TXT for details.
      7 //
      8 //===----------------------------------------------------------------------===//
      9 
     10 // <algorithm>
     11 
     12 // template<ForwardIterator Iter, Predicate<auto, Iter::value_type> Pred, class T>
     13 //   requires OutputIterator<Iter, Iter::reference>
     14 //         && OutputIterator<Iter, const T&>
     15 //         && CopyConstructible<Pred>
     16 //   void
     17 //   replace_if(Iter first, Iter last, Pred pred, const T& new_value);
     18 
     19 #include <algorithm>
     20 #include <functional>
     21 #include <cassert>
     22 
     23 #include "test_iterators.h"
     24 
     25 bool equalToTwo(int v) { return v == 2; }
     26 
     27 template <class Iter>
     28 void
     29 test()
     30 {
     31     int ia[] = {0, 1, 2, 3, 4};
     32     const unsigned sa = sizeof(ia)/sizeof(ia[0]);
     33     std::replace_if(Iter(ia), Iter(ia+sa), equalToTwo, 5);
     34     assert(ia[0] == 0);
     35     assert(ia[1] == 1);
     36     assert(ia[2] == 5);
     37     assert(ia[3] == 3);
     38     assert(ia[4] == 4);
     39 }
     40 
     41 int main()
     42 {
     43     test<forward_iterator<int*> >();
     44     test<bidirectional_iterator<int*> >();
     45     test<random_access_iterator<int*> >();
     46     test<int*>();
     47 }
     48