From: Xavier Noria <fxn@...>
Date: 2007-11-19T17:31:54+09:00
Subject: Re: Open-ended ranges?

On Nov 19, 2007, at 3:10 AM, Konrad Meyer wrote:

> irb(main):001:0> 0..(1.0/0)
> => 0..Infinity

That may work in practice. That is, if that's enough for the purposes  
of that Range fine.

Nevertheless, both ends of a Ranges are expected to belong to the same  
class, and that class needs a #succ if you are going to iterate over  
the Range. In that case, Infinity should have a succ in that example.

Sice it would be desirable (but not required AFAIK) that x < x.succ  
for all x, you end up with a copy of N appended after N, (or N**2,  
or ...).

-- fxn