blob: bf80c2c6edd479206caa9ff982b33c85a3eb2ef8 (
plain)
| 1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
 | //===----------------------------------------------------------------------===//
//
//                     The LLVM Compiler Infrastructure
//
// This file is dual licensed under the MIT and the University of Illinois Open
// Source Licenses. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
// <algorithm>
// template<InputIterator Iter, Callable<auto, Iter::reference> Function>
//   requires CopyConstructible<Function>
//   Function
//   for_each(Iter first, Iter last, Function f);
#include <algorithm>
#include <cassert>
#include "test_iterators.h"
struct for_each_test
{
    for_each_test(int c) : count(c) {}
    int count;
    void operator()(int& i) {++i; ++count;}
};
int main()
{
    int ia[] = {0, 1, 2, 3, 4, 5};
    const unsigned s = sizeof(ia)/sizeof(ia[0]);
    for_each_test f = std::for_each(input_iterator<int*>(ia),
                                    input_iterator<int*>(ia+s),
                                    for_each_test(0));
    assert(f.count == s);
    for (unsigned i = 0; i < s; ++i)
        assert(ia[i] == i+1);
}
 |