1// { dg-options "-std=gnu++11" }
2// { dg-do compile }
3
4// Copyright (C) 2012-2015 Free Software Foundation, Inc.
5//
6// This file is part of the GNU ISO C++ Library.  This library is free
7// software; you can redistribute it and/or modify it under the
8// terms of the GNU General Public License as published by the
9// Free Software Foundation; either version 3, or (at your option)
10// any later version.
11
12// This library is distributed in the hope that it will be useful,
13// but WITHOUT ANY WARRANTY; without even the implied warranty of
14// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
15// GNU General Public License for more details.
16
17// You should have received a copy of the GNU General Public License along
18// with this library; see the file COPYING3.  If not see
19// <http://www.gnu.org/licenses/>.
20
21#include <functional>
22
23void* f(std::function<void()>) { return nullptr; }
24int f(std::function<void(int)>) { return 1; }
25
26void test01()
27{
28  void* p __attribute__((unused));
29  int i __attribute__((unused));
30
31  p = f([] { });
32  i = f([] (int) { });
33}
34
35void g(std::function<void()>) { }
36void h(std::function<int(int)>) { }
37
38void test02()
39{
40  g([] { return "ignored"; });
41  h([] (char c) { return c; });
42}
43
44int main()
45{
46  test01();
47  test02();
48
49  return 0;
50}
51