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[Python-Dev] closure semantics

Walter Dörwald walter at livinglogic.de
Tue Oct 21 19:06:30 EDT 2003 
Guido van Rossum wrote:

> [...]
> Maybe "global x in f" would work?
> 
> def outer():
>     x = 1
>     def intermediate():
>         x = 2
>         def inner():
>             global x in outer
>             x = 42
>         inner()
>         print x      # prints 2
>     intermediate()
>     print x          # prints 42

Why not make local variables attributes of the function, i.e.
replace:

    def inner():
       global x in outer
       x = 42

with:

    def inner():
       outer.x = 42

Global variables could then be assigned via:
    global.x = 42

Could this be made backwards compatible?

Bye,
    Walter Dörwald
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