Terry Reedy
2/19/2010 12:08:00 AM
On 2/18/2010 5:25 PM, Stephen Hansen wrote:
> This has to be a stupid question, but :)
>
> I have some generators that do stuff, then start yielding results. On
> occasion, I don't want them to yield anything ever-- they're only really
> "generators" because I want to call them /as/ a generator as part of a
> generalized system.
>
> The only way I can figure out how to make an empty generator is:
>
> def gen():
> # do my one-time processing here
>
> return
> yield
>
> Is there a better way? The return/yield just makes me flinch slightly. I
> tried just raising StopIteration at the end, but of course that didn't work.
Did you try
def gen():
<stuff>
if 0: yield
?
tjr