-- This file is part of a Liberty Eiffel library.
-- See the full copyright at the end.
--
deferred class UNDOABLE_COMMAND
   --
   -- Another useful Command, that can be undone.
   --

inherit
   COMMAND

feature {ANY}
   undo: COMMAND
         -- A command that makes the execution of Current undone.
      deferred
      end

end -- class UNDOABLE_COMMAND
--
-- Copyright (C) 2009-2017: by all the people cited in the AUTHORS file.
--
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-- copies of the Software, and to permit persons to whom the Software is
-- furnished to do so, subject to the following conditions:
--
-- The above copyright notice and this permission notice shall be included in
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