On Sun, 10 Jan 2021, 7:37 pm Paul Sokolovsky, <pmis...@gmail.com> wrote:
> And I patiently continue this thread, hoping that people whose argument > would be along the lines of "I teach Python, and I don't want to teach > my students 2 ways of doing the same thing, and which way use when. Why, > if PEP634 offers just one way?" > They don't do the same thing, though. One does traditional duck typing (checking for the presence of a specified set of attributes on an object), while the other matches a sequence of attributes specified by the class. PEP 634 just conflates the two tasks into a single call-like syntax that may or may not bare any resemblance to the type's constructor signature. Cheers, Nick. > >
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