From: Robert Klemme <bob.news@...>
Date: 2004-09-14T17:49:53+09:00
Subject: Re: Recursive Objects (Arrays) in Ruby


"Wandering Mango" <dropbox@whoever.com> schrieb im Newsbeitrag
news:ci5q1d$a9b@odah37.prod.google.com...
> As a disclaimer, I'm new to object-oriented programming and to Ruby; so
> I'm not sure if I'm even describing this problem correctly. Here goes:
>
> I have an object called "formula" which has properties .string (the
> original formula), .leftSub, .rightSub (left and right subformula of
> the original formula) and .characterType (an array identifying each
> character in .string as being a particular type - e.g., number, letter,
> and so on).

Assaph answered your problem question, but I'd like to raise another
question: this looks like an expression tree - possible as outcome of a
parse stage.  It seems to me that the more appropriate storage would be
(besides the original string) a sequence of tokens per node.

Just my 0.02

    robert