On Fri, Apr 27, 2018 at 10:56:06PM +1000, Nick Coghlan wrote: > On 27 April 2018 at 22:28, Steven D'Aprano <st...@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).
Thanks Nick. But they're not exactly used as *type* annotations. It was inevitable that something in the std lib would eventually make use of annotations, but unless they're used for type-checking, that's hardly eating away at the promise "no mandatory static typing". -- Steve _______________________________________________ Python-Dev mailing list Python-Dev@python.org https://mail.python.org/mailman/listinfo/python-dev Unsubscribe: https://mail.python.org/mailman/options/python-dev/archive%40mail-archive.com
