On 5 cze 2013, at 09:29, Markus Unterwaditzer <mar...@unterwaditzer.net> wrote:
> As somebody who missed the discussion about it and right now took a quick > look at the PEP, i ask myself how subclasses are handled, as i don't see > anything about it in the PEP, just support for ABCs. > > E.g if > > issubclass(Apple, Fruit) > > And i call a function which has registered an implementation for the Fruits > type with an object of type Apple, is this implementation used? I assume so, > but as said, i don't see it mentioned anywhere. Yes, this is the supported behaviour. The PEP briefly explains that "Where there is no registered implementation for a specific type, its method resolution order is used to find a more generic implementation." As Nick noted, the reason the description is so brief is that this works just like calling methods. -- Best regards, Łukasz Langa WWW: http://lukasz.langa.pl/ Twitter: @llanga IRC: ambv on #python-dev
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