[Python-Dev] Switch statement

Phillip J. Eby pje at telecommunity.com
Wed Jun 21 14:29:54 CEST 2006


At 03:38 AM 6/21/2006 -0500, Ka-Ping Yee wrote:
>On 2006年6月21日, Phillip J. Eby wrote:
> > Well, EIBTI and all that:
> >
> > switch x:
> > case == 1: foo(x)
> > case in S: bar(x)
> >
> > It even lines up nicely. :)
>>Hmm, this is rather nice. I can imagine possible use cases for
>> switch x:
> case > 3: foo(x)
> case is y: spam(x)
> case == z: eggs(x)
>>An interesting use case for which this offers no corresponding
>syntax is
>> case instanceof ClassA: ham(x)

Actually, I was assuming that any other operator besides == and 'in' would 
be relegated to an if-elif chain in the default case, although it's almost 
possible to do that automatically, I suppose.


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