On Oct 12, 1:25 pm, "ara.t.howard" <ara.t.how... / gmail.com> wrote: > On Oct 12, 2007, at 9:40 AM, Brian Adkins wrote: > > Actually, what you want is simply N. It's a nonsensical request from a > > troll. Using max, end, last, etc. to find the end of the range is > > ridiculous since you must know the end of the range to define the > > range! > > that is not true. any object can be used in a range in ruby. it > only must respond to #succ. it's quite possible to declare classes > that worked like so I'm not unfamiliar with the domain of the Range class. Let's not get ridiculous here; I was referring specifically to integer ranges. Nothing unambiguates like code, eh? :) class Range def max_int raise 'invalid range' if self.end < self.begin self.end - (self.exclude_end? ? 1 : 0) end end