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// { dg-do compile { target c++11 } }
// Copyright (C) 2012-2021 Free Software Foundation, Inc.
//
// This file is part of the GNU ISO C++ Library. This library is free
// software; you can redistribute it and/or modify it under the
// terms of the GNU General Public License as published by the
// Free Software Foundation; either version 3, or (at your option)
// any later version.
// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
// You should have received a copy of the GNU General Public License along
// with this library; see the file COPYING3. If not see
// <http://www.gnu.org/licenses/>.
#include <functional>
void* f(std::function<void()>) { return nullptr; }
int f(std::function<void(int)>) { return 1; }
void test01()
{
void* p __attribute__((unused));
int i __attribute__((unused));
p = f([] { });
i = f([] (int) { });
}
void g(std::function<void()>) { }
void h(std::function<int(int)>) { }
void test02()
{
g([] { return "ignored"; });
h([] (char c) { return c; });
}
int main()
{
test01();
test02();
return 0;
}
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