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// { dg-do compile }

// Copyright (C) 2008, 2009 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 <string>

#include <algorithm>

template<class T>

  class W

  {

  public:

    T data;

  };

template<class T>

  void

  swap(W<T>& x, W<T>& y)

  {

    using std::swap;

    swap(x.data, y.data);

  }

// DR 809. std::swap should be overloaded for array types.

void test01()

{

  W<std::string[8]> w1, w2;  // Two objects of a Swappable type.

  using std::swap;

  swap(w1, w2);

}