gcc/libstdc++-v3/testsuite/20_util/reference_wrapper/invoke-3.cc
Jonathan Wakely 52066eae5d Use effective-target instead of -std options
* testsuite/*: Use { target c++11 } or { target c++14 } instead of
	using -std in dg-options.

From-SVN: r239777
2016-08-26 12:41:37 +01:00

37 lines
1.1 KiB
C++

// { dg-do compile { target c++11 } }
// Copyright (C) 2013-2016 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/>.
// 20.8.3.4 reference_wrapper invocation [refwrap.invoke]
#include <functional>
struct ABC
{
virtual bool operator()() const = 0;
};
struct Concrete : ABC
{
virtual bool operator()() const { return true; }
};
Concrete c;
ABC& abc = c;
auto b = std::cref(abc)();