[Python-Dev] closure semantics

Joshua Marshall jmarshal at mathworks.com
Thu Oct 23 13:42:23 EDT 2003


> [Jeremy]
> > I'm not averse to introducing a new keyword, which would address
both 
> > concerns. yield was introduced with apparently little problem, so
it 
> > seems possible to add a keyword without causing too much disruption.
> > 
> > If we decide we must stick with global, then it's very hard to
address 
> > Alex's concern about global being a confusing word choice <wink>.

[Guido]
> OK, the tension is mounting. Which keyword do you have in 
> mind? And would you use the same keyword for module-globals 
> as for outer-scope variables?

I'd like to suggest "outer v" for this. The behavior could be to scan
outward for the first definition of v. If the only outer-scope variable
is at module-level, then the behavior would be the same as "global v".
Or if everyone is comfortable enough re-using the keyword "global", then
I also like "global v in f".


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