[Python-ideas] Yield-From: Finalization guarantees

Terry Reedy tjreedy at udel.edu
Sat Apr 4 01:21:10 CEST 2009

Guido van Rossum wrote:
> On Wed, Apr 1, 2009 at 2:30 PM, Greg Ewing <greg.ewing at canterbury.ac.nz> wrote:
>> As another perspective on this, I think Jacob's
>> example is another case of bogus refactoring.
> Be that as it may, I wonder if we shouldn't back off from the
> refactoring use case a bit and instead just ponder the different types
> of code you can write using generators. There's the traditional "pull"
> style (iterators), "push" style (like the averaging example), and then
> there are "tasks". (Have you read Dave Beazley's couroutines tutorial
> yet? Or am I the only one who likes it? :-)

I liked it so much that I posted the url to the Python list, where 
others gave it a positive response also.  Unlike his previous intro 
talk, it was not something to breeze through in an evening, so I 
bookmarked it.  Thanks for mentioning it.


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