PEP 255: Simple Generators

[Olaf Delgado Friedrichs]

On Tue, 19 Jun 2001 18:21:14 +1200, Greg Ewing <see at my.signature> wrote:
>Something is bothering me about this. In fact,
>it's bothering me a LOT. In the following, will
>f() work as a generator-function:
>
>  def f():
>    for i in range(5):
>      g(i)
>
>  def g(i):
>    for j in range(10):
>      yield i,j
>
>If I understand PEP255 correctly, this will *not*
>work. But it seems entirely reasonable to me that
>it *should* work. It *has* to work, otherwise how
>am I to write generators that are too complicated
>to fit into a single function?

If I understand correctly, this should work:

 def f():
   for i in range(5):
     for x in g(i):
       yield x

 def g(i):
   for j in range(10):
     yield i,j


Olaf