summaryrefslogtreecommitdiffstats
path: root/libcxx/test/std/utilities/function.objects/refwrap/refwrap.const/type_ctor.pass.cpp
blob: 2cbb1a010f12c46f76695f300b09267e9464eec1 (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
40
41
42
43
//===----------------------------------------------------------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//

// <functional>

// reference_wrapper

// reference_wrapper(T& t);

#include <functional>
#include <cassert>

class functor1
{
};

template <class T>
void
test(T& t)
{
    std::reference_wrapper<T> r(t);
    assert(&r.get() == &t);
}

void f() {}

int main()
{
    void (*fp)() = f;
    test(fp);
    test(f);
    functor1 f1;
    test(f1);
    int i = 0;
    test(i);
    const int j = 0;
    test(j);
}
OpenPOWER on IntegriCloud