From: Xavier Noria <fxn@...>
Date: 2008-04-09T01:41:38+09:00
Subject: Re: Remove first and last items from array

On Apr 8, 2008, at 18:30 , Mark Dodwell wrote:

> I need to remove the first and last items in an array (which may  
> have 1,
> 2 or more items so the resulting array after removal may be empty). I
> came up with this:
>
> a = [1,2,3,4,5]
> 2.times { a.pop; a.reverse! }

Hehe.

I think the natural idiom is a slice:

    a[1..-2]

It returns an array as long as a.length > 0.

-- fxn