[Python-ideas] Type Hinting Kick-off
Guido van Rossum
guido at python.org
Thu Dec 25 05:19:23 CET 2014
On Wed, Dec 24, 2014 at 3:22 PM, Eugene Toder <eltoder at gmail.com> wrote:
> On Monday, December 22, 2014 2:03:28 AM UTC-5, Guido van Rossum wrote:
>> This places Any also at the *bottom* of the class tree, if you can call
>> it that. (And hence it is more a graph than a tree -- but if you remove
>> Any, what's left is a tree again.)
> I may be misunderstanding the context, but since Python has multiple
> inheritance, the "class tree" was already a graph even without Any.
Thanks, that was a simple "thinko". I meant that without Any (and perhaps
barring some other pathological cases due to Python's extreme malleability)
it's a DAG, but with Any it has a cycle. I've also updated the Quip doc to
speak of "class graph".
--Guido van Rossum (python.org/~guido)
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