From: Louis J Scoras Date: 2006-11-30T09:49:29+09:00 Subject: Re: Array#group_by On 11/29/06, Joel VanderWerf wrote: > Why isn't there an Array#classify, which would return a hash of arrays, > preserving duplicates? Beats me =) I'm not arguing against such a method; just pointing out that there's already something that might get the job done. A lot of times people use arrays to represent sets without realizing it. -- Lou.