X-Git-Url: https://git.verplant.org/?a=blobdiff_plain;f=src%2Flisp%2Flist_iterator.hpp;h=bb9fe03667547b947b7512ebdb672e776140bb26;hb=2ad3ecbc14b77d373c796ad04d6389489666cc01;hp=7cd275080c9e2074b74172c4b0d473f0c86a4e96;hpb=5b7f9214cb929399f1a855ef5807018a9447d510;p=supertux.git

diff --git a/src/lisp/list_iterator.hpp b/src/lisp/list_iterator.hpp
index 7cd275080..bb9fe0366 100644
--- a/src/lisp/list_iterator.hpp
+++ b/src/lisp/list_iterator.hpp
@@ -1,7 +1,7 @@
 //  $Id$
-// 
+//
 //  SuperTux
-//  Copyright (C) 2005 Matthias Braun <matze@braunis.de>
+//  Copyright (C) 2006 Matthias Braun <matze@braunis.de>
 //
 //  This program is free software; you can redistribute it and/or
 //  modify it under the terms of the GNU General Public License
@@ -12,16 +12,17 @@
 //  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.
+//  Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 
 #ifndef __LISP_ITERATOR_H__
 #define __LISP_ITERATOR_H__
 
-#include "lisp/lisp.hpp"
+#include <string>
+
+#include "lisp.hpp"
 
 namespace lisp
 {
@@ -34,22 +35,21 @@ class ListIterator
 {
 public:
   ListIterator(const lisp::Lisp* cur);
-  
+
   const std::string& item() const
   { return current_item; }
-  lisp::Lisp* lisp() const
+  const lisp::Lisp* lisp() const
   { return current_lisp; }
-  lisp::Lisp* value() const
+  const lisp::Lisp* value() const
   { return current_lisp->get_car(); }
   bool next();
 
 private:
   std::string current_item;
-  lisp::Lisp* current_lisp;
+  const lisp::Lisp* current_lisp;
   const lisp::Lisp* cur;
 };
 
 }
 
 #endif
-