[Python-ideas] Possible PEP 380 tweak

Greg Ewing greg.ewing at canterbury.ac.nz
Sat Oct 30 08:16:44 CEST 2010


Guido van Rossum wrote:
> On Fri, Oct 29, 2010 at 8:09 PM, Greg Ewing <greg.ewing at canterbury.ac.nz> wrote:
> 
>>and even then you would lose the return value
>>from the inner generator, which you're probably going to
>>want.
> 
> Really? Can you show a realistic use case?

Here's an attempt:

   def variancer():
     # Compute variance of values sent in (details left
     # as an exercise)

   def stddever():
     # Compute standard deviation of values sent in
     v = yield from variancer()
     return sqrt(v)

-- 
Greg



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