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<InputIterator Iter, Callable<auto, Iter::reference> Function>
13 // requires CopyConstructible<Function>
14 // Function
15 // for_each(Iter first, Iter last, Function f);
16
17 #include <algorithm>
18 #include <cassert>
19
20 #include "test_iterators.h"
21
22 struct for_each_test
23 {
for_each_testfor_each_test24 for_each_test(int c) : count(c) {}
25 int count;
operator ()for_each_test26 void operator()(int& i) {++i; ++count;}
27 };
28
main()29 int main()
30 {
31 int ia[] = {0, 1, 2, 3, 4, 5};
32 const unsigned s = sizeof(ia)/sizeof(ia[0]);
33 for_each_test f = std::for_each(input_iterator<int*>(ia),
34 input_iterator<int*>(ia+s),
35 for_each_test(0));
36 assert(f.count == s);
37 for (unsigned i = 0; i < s; ++i)
38 assert(ia[i] == i+1);
39 }
40