From: Yukihiro Matsumoto <matz@...>
Date: 2007-02-20T02:59:02+09:00
Subject: Re: For loops don't count down

Hi,

In message "Re: For loops don't count down"
    on Tue, 20 Feb 2007 02:45:27 +0900, Daniel Schierbeck <daniel.schierbeck@gmail.com> writes:

|Is there a necessity for a range such as 5..0 to be empty?

5..1 is the easiest case, but what if "abz".."abc" where we couldn't
define reasonable String#pred.  Just raise error?

I'd rather swap start and end for each operation, if empty iteration
is not wanted, until we have reverse iteration for generic case.

							matz.