Retro68/gcc/libstdc++-v3/testsuite/30_threads/async/lwg2021.cc
2018-12-28 16:30:48 +01:00

42 lines
1.2 KiB
C++

// Copyright (C) 2015-2018 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/>.
// { dg-do compile }
// { dg-options "-pthread" }
// { dg-require-effective-target c++11 }
// { dg-require-effective-target pthread }
// { dg-require-cstdint "" }
// { dg-require-gthreads "" }
// LWG 2021. Further incorrect usages of result_of
// Arguments to result_of should use decay.
#include <future>
struct A
{
int operator()(int&&)&& { return 0; }
void operator()(int&)& { }
};
int main()
{
A a;
int i = 0;
std::future<int> f = std::async(a, i);
}