text: /****************************************************************************
  **
  ** Copyright (C) 2015 The Qt Company Ltd.
  ** Contact: http://www.qt.io/licensing/
  **
  ** This file is part of the documentation of the Qt Toolkit.
  **
  ** $QT_BEGIN_LICENSE:BSD$
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  **
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  ** modification, are permitted provided that the following conditions are
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  ****************************************************************************/
  
  //! [0]
  // Instantiate the objects and connect to the finished signal.
  MyClass myObject;
  QFutureWatcher<int> watcher;
  connect(&watcher, SIGNAL(finished()), &myObject, SLOT(handleFinished()));
  
  // Start the computation.
  QFuture<int> future = QtConcurrent::run(...);
  watcher.setFuture(future);
  //! [0]
  