From: Rick DeNatale Date: 2007-10-11T01:38:02+09:00 Subject: Re: Finding shared elements between to arrays. On 10/10/07, Robert Dober wrote: > a1 - (a1 - a2 ) > which is the best effort one can make ( I guess ) just seems not so > readable anymore, and it is not an idiom frequently used so one does > not get easily acquainted to it :( Heck, I use it so infrequently that I just thought of it. -- Rick DeNatale My blog on Ruby http://talklikeaduck.denhaven2.com/