Currently, asynchronous generators don't allow a non-empty `return` statement:
```python
import asyncio
async def async_generator():
x = yield 1
await asyncio.sleep(1)
if x:
...
return "result A" # SyntaxError
else:
...
return "result B"
```
unlike regular generators which communicate their return value via the `value`
attribute on the `StopIteration` exception:
```python
def synchronous_generator():
x = yield 1
if x:
...
return "result A" # raises StopIteration with value="result A"
else:
...
return "result B"
```
I think that `StopAsyncIteration` should behave likewise and have a `value`
attribute containing the return value. I'm not aware of any reason to maintain
this asymmetry.
_______________________________________________
Python-ideas mailing list -- [email protected]
To unsubscribe send an email to [email protected]
https://mail.python.org/mailman3/lists/python-ideas.python.org/
Message archived at
https://mail.python.org/archives/list/[email protected]/message/E2J4FTVGOZDQCBN2SZSY6VTWF2GE4EKK/
Code of Conduct: http://python.org/psf/codeofconduct/
