From: Florian Frank <flori@...>
Date: 2006-01-12T02:55:33+09:00
Subject: Re: safe array index ?

Christer Nilsson wrote:

>Is it possible to catch index out of range ?
>
>a = [1,2]
>
>a[99] returns nil, I would like to get an error.
>
>I've tried to define a SafeArray class, but failed.
>
>I managed to redefine Array, but I want to have both possibilities.
>  
>
a.fetch 99 # => raises IndexError: index 99 out of array

-- 
Florian Frank