On Thu, Dec 14, 2017 at 4:29 PM Yury Selivanov <yselivanov...@gmail.com> wrote:
> On Thu, Dec 14, 2017 at 7:03 PM, Guido van Rossum <gu...@python.org> > wrote: > My motivation to add the slot wasn't the performance: it's just not > possible to have a class-level __getitem__ on types defined in C. The > only way is to define a base class in C and then extend it in > pure-Python. This isn't too hard usually, though. This could potentially make it much more complicated to adding typing support to NumPy. numpy.ndarray is defined in C.
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