From: James Edward Gray II <james@...>
Date: 2006-10-13T22:07:01+09:00
Subject: Re: Any way to get lists to throw exceptions on incorrect accesses?

On Oct 12, 2006, at 11:26 PM, Kenneth McDonald wrote:

> Yep, got that one. Unfortunately, there's no equivalent for lists.

 >> array, hash = Array.new, Hash.new
=> [[], {}]
 >> array.fetch(999)
IndexError: index 999 out of array
         from (irb):2:in `fetch'
         from (irb):2
         from :0
 >> hash.fetch(:missing)
IndexError: key not found
         from (irb):3:in `fetch'
         from (irb):3
         from :0

James Edward Gray II