[Python-Dev] Reserve ':=' for type-inferred variable initialization (was PEP 572)

[Nick Coghlan]

On 27 April 2018 at 22:28, Steven D'Aprano <steve at pearwood.info> wrote:

> On Fri, Apr 27, 2018 at 08:13:20AM +0200, Andrea Griffini wrote:
> > Now we got standard library features requiring type annotation
>
> We do? Did I miss them? Which std lib features are you referring to?
>
> (That's not a rhetorical question -- maybe I have missed something.)
>

Data classes rely on the presence of annotations to spot field declarations
(it mostly doesn't care what those annotations actually say, but it does
need them to be present in order to create the list of field names).

Cheers,
Nick.

-- 
Nick Coghlan   |   ncoghlan at gmail.com   |   Brisbane, Australia
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