On Mon, 17 May 2004 21:46:45 +0900, nobu.nokada wrote: >> and now the fun stuff (turning into an enum): >> >> 5.enum_filter(:times){ |i| i[0] == 0 }.collect >> => [2, 4] > > Is it a method of Enumerator, although Integer doesn't include > it? Sorry, I forgot to mention it. It would be a method of Object (like enum_for). Regards, Kristof