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[thirdparty/gcc.git] / libstdc++-v3 / testsuite / 20_util / unique_ptr / dr2228.cc

// { dg-do compile { target c++11 } }

// Copyright (C) 2015-2019 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 <memory>
#include <type_traits>

struct do_nothing
{
    template <class T>
    void operator()(T*) {}
};

int
main()
{
    int i = 0;
    std::unique_ptr<int, do_nothing> p1(&i);
    std::unique_ptr<int> p2;
    static_assert(!std::is_assignable<decltype(p2), decltype(p1)>::value, "");

}