indexing description: "AST represenation of a unary `not' operation." date: "$Date$" revision: "$Revision$" class UN_NOT_AS inherit UNARY_AS create initialize feature -- Properties operator_name: STRING is "not" feature -- Visitor process (v: AST_VISITOR) is -- process current element. do v.process_un_not_as (Current) end end -- class UN_NOT_AS