libstdc++-v3/testsuite/20_util/move/1.cc

// { dg-do compile { target c++11 } }
// { dg-require-effective-target hosted }

// 2007-07-10  Paolo Carlini  <pcarlini@suse.de>
//
// Copyright (C) 2007-2023 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 <utility>

template<class T, class A1>
  std::shared_ptr<T>
  factory(A1&& a1)
  {
    return std::shared_ptr<T>(new T(std::forward<A1>(a1)));
  }

struct A
{
  A();
  A(const A&);
  A(A&&);
};

void g()
{
  A a;
  std::shared_ptr<A> sp1 = factory<A>(a);
  std::shared_ptr<A> sp2 = factory<A>(std::move(a));
}