From: ts Date: 2002-05-31T21:27:35+09:00 Subject: Re: Idiom >>>>> "S" == Stephan J Schmidt writes: S> (((@@components ||= {})[component.cid] ||= {})[signal] ||= []) << pr You can perhaps look at the module PerlValue http://www.ruby-lang.org/en/raa-list.rhtml?name=PerlValue Guy Decoux