From: Eleanor McHugh <eleanor@...>
Date: 2009-05-09T08:50:22+09:00
Subject: Re: ruby string slice/[] w/ range, weird end behavior

On 9 May 2009, at 00:44, RubyTalk@gmail.com wrote:
> Element Reference—If passed a single Fixnum, returns the code of the
> character at that position. If passed two Fixnum objects, returns a
> substring starting at the offset given by the first, and a length
> given by the second. If given a range, a substring containing
> characters at offsets given by the range is returned. In all three
> cases, if an offset is negative, it is counted from the end of str.
> Returns nil if the initial offset falls outside the string, the length
> is negative, or the beginning of the range is greater than the end.
>
> two fixed numbers returns a substring.

The same result would occur with

"foo"[3,1]			=> ""
"foo"[4,1]			=> nil


Ellie

Eleanor McHugh
Games With Brains
http://slides.games-with-brains.net
----
raise ArgumentError unless @reality.responds_to? :reason