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+/* vim: set sw=4 sts=4 et foldmethod=syntax : */
+
+/*
+ * Copyright (c) 2008, 2011 Ciaran McCreesh
+ *
+ * This file is part of the Paludis package manager. Paludis is free software;
+ * you can redistribute it and/or modify it under the terms of the GNU General
+ * Public License version 2, as published by the Free Software Foundation.
+ *
+ * Paludis 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 program; if not, write to the Free Software Foundation, Inc., 59 Temple
+ * Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+
+#ifndef PALUDIS_GUARD_PALUDIS_UTIL_VISITOR_FWD_HH
+#define PALUDIS_GUARD_PALUDIS_UTIL_VISITOR_FWD_HH 1
+
+#include <paludis/util/type_list-fwd.hh>
+
+namespace paludis
+{
+ template <typename TypeList_>
+ struct DeclareAbstractVisitMethods;
+
+ template <>
+ struct DeclareAbstractVisitMethods<TypeListTail>;
+
+ template <typename TypeList_>
+ struct WrappedVisitorBase;
+
+ template <typename RealClass_, typename TypeList_>
+ struct ImplementVisitMethods;
+
+ template <typename RealClass_>
+ struct ImplementVisitMethods<RealClass_, TypeListTail>;
+
+ template <typename TypeList_, typename UnwrappedVisitor_>
+ struct WrappedVoidResultVisitor;
+
+ template <typename TypeList_, typename Result_, typename UnwrappedVisitor_>
+ struct WrappedNonVoidResultVisitor;
+
+ template <typename BaseClass_, typename VisitableTypeList_>
+ struct DeclareAbstractAcceptMethods;
+
+ template <typename BaseClass_, typename RealClass_>
+ struct ImplementAcceptMethods;
+}
+
+#endif