[Python-ideas] Specifying constants for functions

[Nikolaus Rath]

On Oct 27 2015, Yury Selivanov <yselivanov.ml-Re5JQEeQqe8AvxtiuMwx3w at public.gmane.org> wrote:
> On 2015-10-27 3:02 PM, Bruce Leban wrote:
>> It's not a micro-optimization in this case:
>>
>>     def foo(x, SENTINEL=object()):
>>         ...
>>
>>
>> I don't like mangling function signatures to do this. What I really
>> want is the equivalent of C's static here:
>>
>>     def foo(x):
>>     static SENTINEL = object()
>>         ...
>>
>>
>
> Why not
>
> SENTINEL=object()
> def foo(x):
>     ...
>
> ?

Because it leaks into the enclosing scope.


Best,
-Nikolaus

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