[Python-Dev] Type hints -- a mediocre programmer's reaction (original) (raw)

Nick Coghlan ncoghlan at gmail.com
Tue Apr 21 03:30:01 CEST 2015

On 20 Apr 2015 14:44, "Barry Warsaw" <barry at python.org> wrote:

On Apr 20, 2015, at 07:30 PM, Harry Percival wrote: >tldr; type hints in python source are scary. Would reserving them for stub >files be better? I think so. I think PEP 8 should require stub files for stdlib modules and strongly encourage them for 3rd party code.

+1

Having stub files take precedence over inline annotations would also neatly deal with the annotation compatibility problem (you can use a stub file to annotate code using annotations for another purpose).

Another point in favour of that approach: stub files could be evaluated holistically rather than statement at a time, permitting implicit forward references.

Cheers, Nick.

Cheers, -Barry

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