indexing description : "AST representation of a require statement." date : "$Date$" revision : "$Revision$" class REQUIRE_AS inherit ASSERT_LIST_AS redefine process end create initialize feature -- Visitor process (v: AST_VISITOR) is -- process current element. do v.process_require_as (Current) end feature -- Properties is_else: BOOLEAN is -- Is the assertion list a require else ? do -- Do nothing end end -- class REQUIRE_AS