note description: "Ancestors of user commands for a history based on a linear list. % %This command will create an history of class HISTORY_LIST. % %Deferred features : is_error, n_ame, redo, undo, work" legal: "See notice at end of class."; status: "See notice at end of class."; date: "$Date$"; revision: "$Revision$" deferred class UNDOABLE_L inherit UNDOABLE feature -- Access history: HISTORY_LIST -- Trace of previously executed commands once create Result.make ensure then result_not_void: Result /= Void end note copyright: "Copyright (c) 1984-2006, Eiffel Software and others" license: "Eiffel Forum License v2 (see http://www.eiffel.com/licensing/forum.txt)" source: "[ Eiffel Software 356 Storke Road, Goleta, CA 93117 USA Telephone 805-685-1006, Fax 805-685-6869 Website http://www.eiffel.com Customer support http://support.eiffel.com ]" end -- class UNDOABLE_L