Sorry for breaking the threading, but Stephen's original post hasn't come
through to my provider.
On 2010-02-18 16:25 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
If all you want is a generator that doesn't yield anything, then surely
there isn't any one-time processing and you don't need the comment?
>> Is there a better way? The return/yield just makes me flinch slightly.
Meh. An empty generator is a funny thing to do, so it's not bad that it
reads a bit funny. I don't have a problem with it.
If it really annoys you, you could do this:
def empty():
for x in []:
yield
--
Steven
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