From: Gary Yngve <gary.yngve@...>
Date: 2009-05-09T09:11:43+09:00
Subject: Re: ruby string slice/[] w/ range, weird end behavior

Here's an even simpler case:

>> ""[0]
=> nil
>> ""[0..0]
=> ""
>> ""[0..1]
=> ""
>> ""[1..1]
=> nil

Why differentiate between returning "" and nil?
Why isn't this explained in the docs?