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

   1 // { dg-do compile { target c++11 } }
   2
   3 // 2007-07-10  Paolo Carlini  <pcarlini@suse.de>
   4 //
   5 // Copyright (C) 2007-2019 Free Software Foundation, Inc.
   6 //
   7 // This file is part of the GNU ISO C++ Library.  This library is free
   8 // software; you can redistribute it and/or modify it under the
   9 // terms of the GNU General Public License as published by the
  10 // Free Software Foundation; either version 3, or (at your option)
  11 // any later version.
  12 //
  13 // This library is distributed in the hope that it will be useful,
  14 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  15 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16 // GNU General Public License for more details.
  17 //
  18 // You should have received a copy of the GNU General Public License along
  19 // with this library; see the file COPYING3.  If not see
  20 // <http://www.gnu.org/licenses/>.
  21
  22 #include <memory>
  23 #include <utility>
  24
  25 template<class T, class A1>
  26   std::shared_ptr<T>
  27   factory(A1&& a1)
  28   {
  29     return std::shared_ptr<T>(new T(std::forward<A1>(a1)));
  30   }
  31
  32 struct A
  33 {
  34   A();
  35   A(const A&);
  36   A(A&&);
  37 };
  38
  39 void g()
  40 {
  41   A a;
  42   std::shared_ptr<A> sp1 = factory<A>(a);
  43   std::shared_ptr<A> sp2 = factory<A>(std::move(a));
  44 }