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diff --git a/src/lib/buildgraph/artifactlist.h b/src/lib/buildgraph/artifactlist.h
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+/**************************************************************************
+**
+** This file is part of the Qt Build Suite
+**
+** Copyright (c) 2012 Nokia Corporation and/or its subsidiary(-ies).
+**
+** Contact: Nokia Corporation (info@qt.nokia.com)
+**
+**
+** GNU Lesser General Public License Usage
+**
+** This file may be used under the terms of the GNU Lesser General Public
+** License version 2.1 as published by the Free Software Foundation and
+** appearing in the file LICENSE.LGPL included in the packaging of this file.
+** Please review the following information to ensure the GNU Lesser General
+** Public License version 2.1 requirements will be met:
+** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain additional
+** rights. These rights are described in the Nokia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU General
+** Public License version 3.0 as published by the Free Software Foundation
+** and appearing in the file LICENSE.GPL included in the packaging of this
+** file.
+** Please review the following information to ensure the GNU General
+** Public License version 3.0 requirements will be met:
+** http://www.gnu.org/copyleft/gpl.html.
+**
+** Other Usage
+** Alternatively, this file may be used in accordance with the terms and
+** conditions contained in a signed written agreement between you and Nokia.
+**
+**************************************************************************/
+
+#ifndef ARTIFACTLIST_H
+#define ARTIFACTLIST_H
+
+#include <set>
+
+namespace qbs {
+
+class Artifact;
+
+/**
+  * List that holds a bunch of build graph artifacts.
+  * This is faster than QSet when iterating over the container.
+  */
+class ArtifactList
+{
+public:
+    ArtifactList();
+    ArtifactList(const ArtifactList &other);
+
+    typedef std::set<Artifact *>::const_iterator const_iterator;
+    typedef std::set<Artifact *>::iterator iterator;
+    typedef Artifact * value_type;
+
+    iterator begin() { return m_data.begin(); }
+    iterator end() { return m_data.end(); }
+    const_iterator begin() const { return m_data.begin(); }
+    const_iterator end() const { return m_data.end(); }
+
+    void insert(Artifact *artifact)
+    {
+        m_data.insert(artifact);
+    }
+
+    void operator +=(Artifact *artifact)
+    {
+        insert(artifact);
+    }
+
+    void remove(Artifact *artifact);
+
+    bool contains(Artifact *artifact) const
+    {
+        return m_data.find(artifact) != m_data.end();
+    }
+
+    void clear()
+    {
+        m_data.clear();
+    }
+
+    bool isEmpty() const
+    {
+        return m_data.empty();
+    }
+
+    int count() const
+    {
+        return m_data.size();
+    }
+
+    void reserve(int)
+    {
+        // no-op
+    }
+
+private:
+    mutable std::set<Artifact *> m_data;
+};
+
+} // namespace qbs
+
+#endif // ARTIFACTLIST_H