[Python-Dev] Generator objects and list comprehensions?
Lukasz Langa
lukasz at langa.pl
Fri Feb 3 01:21:10 EST 2017
> On Feb 2, 2017, at 2:17 AM, Anders Munch <ajm at flonidan.dk> wrote:
>
> Give Python 2 a little more credit.
We are, it told you what your issue was: yield outside a function. Consider:
>>> def f():
... l = [(yield 1) for x in range(10)]
... print(l)
>>> gen = f()
>>> for i in range(11):
... gen.send(i or None)
...
1
1
1
1
1
1
1
1
1
1
[1, 2, 3, 4, 5, 6, 7, 8, 9, 10]
But this is a very convoluted "feature" and likely people don't expect *this* to be what's happening.
- Ł
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