mirror of git://gcc.gnu.org/git/gcc.git
37 lines
1.1 KiB
C++
37 lines
1.1 KiB
C++
// { dg-do run { target c++14 } }
|
|
|
|
// Copyright (C) 2015-2016 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 moved_to of the GNU General Public License along
|
|
// with this library; see the file COPYING3. If not see
|
|
// <http://www.gnu.org/licenses/>.
|
|
|
|
#include <experimental/propagate_const>
|
|
#include <testsuite_hooks.h>
|
|
|
|
using std::experimental::propagate_const;
|
|
|
|
int main()
|
|
{
|
|
int x{42};
|
|
int y{666};
|
|
propagate_const<int*> xx{&x};
|
|
propagate_const<int*> yy{&y};
|
|
VERIFY(*xx == 42);
|
|
VERIFY(*yy == 666);
|
|
swap(xx, yy);
|
|
VERIFY(*xx == 666);
|
|
VERIFY(*yy == 42);
|
|
}
|