diff --git a/eo/src/continuator.h b/eo/src/continuator.h
index 2bff4abc..97efc8ac 100644
--- a/eo/src/continuator.h
+++ b/eo/src/continuator.h
@@ -1,69 +1,91 @@
-// -*- mode: c++; c-indent-level: 4; c++-member-init-indent: 8; comment-column: 35; -*-
-
-//-----------------------------------------------------------------------------
-// continuator.h
-// (c) GeNeura Team, 1998
-/*
-    This library is free software; you can redistribute it and/or
-    modify it under the terms of the GNU Lesser General Public
-    License as published by the Free Software Foundation; either
-    version 2 of the License, 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
-    Lesser General Public License for more details.
-
-    You should have received a copy of the GNU Lesser General Public
-    License along with this library; if not, write to the Free Software
-    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
-
-    Contact: todos@geneura.ugr.es, http://geneura.ugr.es
- */
-//-----------------------------------------------------------------------------
-
-#ifndef _CONTINUATOR_H
-#define _CONTINUATOR_H
-
-
-#include <eoFunctor.h>
-#include <data.h>
-
-#include <eoContinue.h>
-
-
-/**
- * Continue interface
- */
-class continuator
-{
-public: 	
-	virtual bool check()=0;
-};
-
-
-template < class EOT> class eoContinuator : public continuator{
-public:
-	
-	eoContinuator(eoContinue<EOT> & _cont, const eoPop<EOT> & _pop): cont (_cont), pop(_pop){}
-	
-	virtual bool check(){
-		return cont(pop);	
-	}
-
-protected:
-	eoContinue<EOT> & cont ;
-	const eoPop<EOT> & pop;
-};
-
-
-#endif
-
-
-
-
-
-
-
-
-
+// -*- mode: c++; c-indent-level: 4; c++-member-init-indent: 8; comment-column: 35; -*-
+
+//-----------------------------------------------------------------------------
+// continuator.h
+// (c) GeNeura Team, 1998
+/*
+    This library is free software; you can redistribute it and/or
+    modify it under the terms of the GNU Lesser General Public
+    License as published by the Free Software Foundation; either
+    version 2 of the License, 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
+    Lesser General Public License for more details.
+
+    You should have received a copy of the GNU Lesser General Public
+    License along with this library; if not, write to the Free Software
+    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+
+    Contact: todos@geneura.ugr.es, http://geneura.ugr.es
+ */
+//-----------------------------------------------------------------------------
+
+#ifndef _CONTINUATOR_H
+#define _CONTINUATOR_H
+
+
+#include <eoFunctor.h>
+#include <data.h>
+
+#include <eoContinue.h>
+#include <eoSelectOne.h>
+
+/**
+ * Continue interface
+ */
+class continuator
+{
+public: 	
+	virtual bool check()=0;
+};
+
+
+template < class EOT> class eoContinuator : public continuator{
+public:
+	
+	eoContinuator(eoContinue<EOT> & _cont, const eoPop<EOT> & _pop): cont (_cont), pop(_pop){}
+	
+	virtual bool check(){
+		return cont(pop);	
+	}
+
+protected:
+	eoContinue<EOT> & cont ;
+	const eoPop<EOT> & pop;
+};
+
+
+
+template < class TYPE>  class selector
+{
+public: 	
+	virtual const TYPE & select()=0;
+};
+
+
+template < class EOT> class eoSelector : public selector<EOT>{
+public:
+	
+	eoSelector(eoSelectOne<EOT> & _select, const eoPop<EOT> & _pop): selector (_select), pop(_pop){}
+	
+	virtual const EOT & select(){
+		return select(pop);	
+	}
+
+protected:
+	eoSelectOne<EOT> & selector ;
+	const eoPop<EOT> & pop;
+};
+
+#endif
+
+
+
+
+
+
+
+
+