From: Martin DeMello Date: 2004-08-10T17:46:16+09:00 Subject: Re: FirstEachLast, an extension to the Enumerable module. Robert Klemme wrote: > > Hm, sounds to me like it was not general enough to include it in > Enumerable. Before I see that method I'd prefer to have size and empty? > in Enumerable. Just my 0.02 EUR... Can empty? be reliably implemented in terms of each for every enumerable? I can't think of an obvious problem with it, but that doesn't mean there isn't one. martin