From: "Ara.T.Howard" <Ara.T.Howard@...>
Date: 2005-07-22T10:50:56+09:00
Subject: Re: Odd Array#[x..y] return values

On Fri, 22 Jul 2005, Daniel Berger wrote:

> Hi all,
>
> Ruby 1.8.2
>
> Consider:
>
> irb(main):001:0> a = []
> => []
> irb(main):002:0> a[0..1]
> => []

   start at a legitimate index and continue with every possible index until the
   end, not matter where that is

> irb(main):003:0> a[-2..-1]
> => nil

   start at a illegitimate index and return that there cannot be anything after
   this - ergo 'nil'

> Why does the first return [] and the second return nil?

or at least that makes sense to me...

cheers.

-a
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