From hb at maths.lth.se  Thu Apr 21 21:25:36 2005
From: hb at maths.lth.se (Henrik Bengtsson)
Date: Thu Apr 21 21:25:53 2005
Subject: [Rd] Overloading methods in R
In-Reply-To: <4267FACC.9050001@blackmesacapital.com>
Message-ID: <000601c546a7$e624c7a0$ab0040d5@hblaptop>

> -----Original Message-----
> From: r-devel-bounces@stat.math.ethz.ch 
> [mailto:r-devel-bounces@stat.math.ethz.ch] On Behalf Of Tony Plate
> Sent: Thursday, April 21, 2005 9:11 PM
> To: Ali -
> Cc: hb@maths.lth.se; r-devel@stat.math.ethz.ch
> Subject: Re: [Rd] Overloading methods in R
> 
> 
> Ali - wrote:
> > Henrik,
> > 
> > [snip]
>  >
> > Finally, I remind the package author about the original question:
> > 
> > - How to overload methods in classes created by R.oo package? [snip]
> 
> Maybe you missed it in the flurry of messages, but did the idea 
> suggested by Gabor Grothendick not suit your needs?  I don't know the 
> R.oo package, but Gabor's idea worked with the S3 class 
> system, and just 

FYI: R.oo is just defining methods and lets S3/UseMethod do the dispatching.

Cheers

Henrik

> required some easily programmable syntactic processing to 
> generate the 
> method names.  (Basically the idea was that the generic 
> function would 
> dynamically create a class for its first argument, which consisted of 
> the classes of all the arguments appended together.  If there 
> is little 
> inheritance structure, this should work fine.)
> 
> cheers,
> 
> Tony Plate
> 
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[Rd] Overloading methods in R
Henrik Bengtsson