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From: Peter Otten <__peter__@web.de>
Subject: Re: optional types
Date: Wed, 29 Oct 2014 17:51:46 +0100
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Xref: csiph.com comp.lang.python:79923

Kiuhnm wrote:

> I must say that the lack of static types in Python is a pain in the neck
> especially when I'm exploring new libraries. Recently, I learned a new
> language called Dart which have optional typing and I had a lot of fun
> with it. Basically, you use type annotations as documentation and to give
> useful information to the IDE or editor. That makes the IDE look *very*
> smart! I'm using PyCharm and more often than not I want to see the list of
> methods and attributes of an object, but the editor won't show them to me
> because it doesn't know the dynamic type of the variable whose value was
> just returned by a function. That's irritating! Am I the only one who'd
> like to see optional types introduced in Python?

Personally I am skeptical, but there is an effort underway:

http://www.mypy-lang.org/
https://mail.python.org/pipermail/python-ideas/2014-August/028742.html

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