From: Austin Ziegler <halostatue@...>
Date: 2004-09-30T22:37:27+09:00
Subject: Re: Range syntax theory

On Thu, 30 Sep 2004 22:30:51 +0900, Zach Dennis <zdennis@mktec.com> wrote:
> How range operators work seems sort of backwards to me. It would appear
> as if the "..." (three dots) would be the inclusive one, including the
> last value and the ".." (two dots) would be exclusive and exclude the
> last value.
> 
> Am I off in my own little world here or have others pondered this?
> (Perhaps it has been brought up before?) I am not requesting a change on
> this, I am merely pointing out what seems unnatural in a very natural
> language.

It's the distinction between
  0..5 == [0, 5] # mathematical notation
and
  0...5 == [0, 5) # mathematical notation

In part, this is something that Ruby inherits -- I *think* -- from
Perl, which uses the .. and ... in this way.

-austin
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