From: Joel VanderWerf <joelvanderwerf@...>
Date: 2010-10-12T05:51:54+09:00
Subject: Re: more idiomatic way to avoid errors when calling method on variable that may be nil?

On 10/11/2010 01:19 PM, Josh Cheek wrote:
> But people seem to really be opposed to doing this. Not entirely sure why.
> Maybe because it wouldn't raise an error if, for example, you put some
> absurd type of data in your hash?

Absurd? It's an easy to get symbols where strings should be...

key = "a"
hash = {"a" => :Foo}
var = hash[key].downcase rescue nil
p var # ==> nil