From: sto.mar@...
Date: 2012-06-21T06:35:53+09:00
Subject: Re: Array index confusion

Am 20.06.2012 23:27, schrieb John R.:
> I cannot find an answer to this, and perhaps the answer is that "it is
> what it is..."  But perhaps someone can explain this for me.
>
> If I have an array, thus:
>     a = [1, 2, 3, 4]
> there are four elements in the array. The indexes are 0..3.
>
> a[4,0] returns []
>
> a[5,0], however, returns nil
>
> Both of these are outside the scope of the array, aren't they? I would
> think they would return the same thing, either nil or the empty array.

Maybe this helps:

<http://stackoverflow.com/questions/3568222/array-slicing-in-ruby-looking-for-explanation-for-illogical-behaviour-taken-fr>

Regards,
Marcus


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