[Python-Dev] PEP 443 - Single-dispatch generic functions (original) (raw)
Łukasz Langa lukasz at langa.pl
Thu May 23 16:13:18 CEST 2013
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On 23 maj 2013, at 09:33, Armin Rigo <arigo at tunes.org> wrote:
Hi,
On Thu, May 23, 2013 at 12:33 AM, Łukasz Langa <lukasz at langa.pl> wrote: Alternative approaches ====================== You could also mention "pairtype", used in PyPy:
Thanks for pointing that out. Information on it added in http://hg.python.org/peps/rev/b7979219f3cc#l1.7
+PyPy's RPython offers extendabletype [#pairtype]_, a metaclass which
+enables classes to be externally extended. In combination with
+pairtype() and pair() factories, this offers a form of
+single-dispatch generics.
+.. [#pairtype]
-- Best regards, Łukasz Langa
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