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Re: Rather, DSSLs increase modularity, productivity

To: address@hidden
Subject: Re: Rather, DSSLs increase modularity, productivity
From: Shriram Krishnamurthi <address@hidden>
Date: Tue, 18 Nov 2003 20:13:04 -0500
In-reply-to: <16314.48169.351836.41938@gs3106.sp.cs.cmu.edu>
References: <16313.41278.74184.167568@gs3106.sp.cs.cmu.edu><2D55D703-19CE-11D8-A274-000A956F2F38@ccs.neu.edu><16314.23635.14983.963759@gs3106.sp.cs.cmu.edu><200311190003.hAJ03Lt03613@orchestra.cs.caltech.edu><16314.48169.351836.41938@gs3106.sp.cs.cmu.edu>
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Neelakantan Krishnaswami wrote:

> What do you use downcasting for? I've never needed it, ever, but I'm
> always on the lookout for new programming idioms.

Probably because you have multimethods.  Otherwise it shows up in
various extensibility patterns.  (And sometimes does even with
multimethods, in disguise.)  See Krishnamurthi, Felleisen, Friedman
from ECOOP 98.

Shriram

References:
- Re: Rather, DSSLs increase modularity, productivity
  - From: Neelakantan Krishnaswami <neelk@gs3106.sp.cs.cmu.edu>
- Re: Rather, DSSLs increase modularity, productivity
  - From: Matthias Felleisen <matthias@ccs.neu.edu>
- Re: Rather, DSSLs increase modularity, productivity
  - From: Neelakantan Krishnaswami <neelk@gs3106.sp.cs.cmu.edu>
- Re: Rather, DSSLs increase modularity, productivity
  - From: Michael Vanier <mvanier@cs.caltech.edu>
- Re: Rather, DSSLs increase modularity, productivity
  - From: Neelakantan Krishnaswami <neelk@gs3106.sp.cs.cmu.edu>

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