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

   1 // { dg-do compile }
   2 // { dg-options "-std=gnu++0x" }
   3
   4 // 2007-07-10  Paolo Carlini  <pcarlini@suse.de>
   5 //
   6 // Copyright (C) 2007-2013 Free Software Foundation, Inc.
   7 //
   8 // This file is part of the GNU ISO C++ Library.  This library is free
   9 // software; you can redistribute it and/or modify it under the
  10 // terms of the GNU General Public License as published by the
  11 // Free Software Foundation; either version 3, or (at your option)
  12 // any later version.
  13 //
  14 // This library is distributed in the hope that it will be useful,
  15 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  16 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17 // GNU General Public License for more details.
  18 //
  19 // You should have received a copy of the GNU General Public License along
  20 // with this library; see the file COPYING3.  If not see
  21 // <http://www.gnu.org/licenses/>.
  22
  23 #include <memory>
  24 #include <utility>
  25
  26 template<class T, class A1>
  27   std::shared_ptr<T>
  28   factory(A1&& a1)
  29   {
  30     return std::shared_ptr<T>(new T(std::forward<A1>(a1)));
  31   }
  32
  33 struct A
  34 {
  35   A();
  36   A(const A&);
  37   A(A&&);
  38 };
  39
  40 void g()
  41 {
  42   A a;
  43   std::shared_ptr<A> sp1 = factory<A>(a);
  44   std::shared_ptr<A> sp2 = factory<A>(std::move(a));
  45 }