Coroutines: unexpected behaviour

[Jérôme Mainka]

On Jun 16, 6:35 pm, Steven D'Aprano <st... at REMOVE-THIS-
cybersource.com.au> wrote:

> How bizarre is that?
Sure...


> I have to say that your code is horribly opaque and unclear to me.
Welcome to the coroutines world :-)

This is mainly a pipeline where each function suspends execution
waiting for data (yield), and feeding other functions (the sort
function's target argument) with data (.send())

 -> sort() -> dump()



> Because yield will often be returning None, you should always check for
> this case. Don't just use its value in expressions unless you're sure
> that the send() method will be the only method used resume your generator
> function.

This remark deals with constructions like:

value = (yield i)

For an excellent introduction to coroutines in python, I recommend:

http://www.dabeaz.com/coroutines/


Thanks,

Jérôme