[Python-ideas] Trial balloon: adding variable type declarations in support of PEP 484

[Sven R. Kunze]

On 04.08.2016 15:32, Steven D'Aprano wrote:
> I would think that annotations on local variables should not 
> beevaluated or stored.
> I think it is reasonable to have annotations on global variables (or
> inside a class definition) stored somewhere for runtime analysis, like
> function annotations.

I don't know. That somehow would break expected Python semantics and 
would lead to big asymmetry. Most people don't think about the 
difference between module-level variables and variables in functions. 
Their code works regardlessly.


The more I think about it, the more I like #comment-style annotations 
then. They are a clear sign to the developer >not at runtime<, and only 
available for static analysis.

This might even be true for class/instance variables.


--
Sven