On Wed, Jun 14, 2006 at 03:33:31PM +1000, Tim Leslie wrote:
[...]
> You can have generators which look like list comprehensions, but they
> still have the same problem of the if statement only acting as a
> filter, not a stopping condition. If you wanted it to work you'd have
> to shift your condition into a generator function which took your list
> and your condition, at which point it's way too bulky compared to the
> very original version.
Actually, you can stop generator comprehensions:
class Stopper:
def __nonzero__(self):
raise StopIteration
stop = Stopper()
print list(x**2 for x in range(10) if x < 5 or stop)
-Andrew.
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