[pypy-dev] getting rid of multimethods?

Christian Tismer tismer at stackless.com
Fri Jun 25 02:47:42 CEST 2004

Armin Rigo wrote:
> Hello,
> On Thu, Jun 17, 2004 at 08:10:41AM +0200, Laura Creighton wrote:
>>There is a niceness about how the multimethods group everything in one
> Yes, their declarativeness is nice.  I don't think we should remove them, but
> maybe we should move them away from run-time.
> It would be possible to use the multimethod declarations only to generate
> Python sources with the descriptors (i.e. the __add__&co methods).  The type
> switches would be generated too.
> This is basically what Holger suggested for descroperation.py already.  I
> still think that it is overkill for descroperation.py, but for multimethods it
> would be helpful as a check, or if you prefer reading the generated Python
> source instead of the multimethod.py magic.

In a way, turning multi-methods into a meta-class like concept
that instantiates __add__ things on type creation time?
Sounds like a good compromize.

ciao - chris

Christian Tismer             :^)   <mailto:tismer at stackless.com>
Mission Impossible 5oftware  :     Have a break! Take a ride on Python's
Johannes-Niemeyer-Weg 9a     :    *Starship* http://starship.python.net/
14109 Berlin                 :     PGP key -> http://wwwkeys.pgp.net/
work +49 30 89 09 53 34  home +49 30 802 86 56  mobile +49 173 24 18 776
PGP 0x57F3BF04       9064 F4E1 D754 C2FF 1619  305B C09C 5A3B 57F3 BF04
      whom do you want to sponsor today?   http://www.stackless.com/

More information about the Pypy-dev mailing list