On 11/22/2014 05:11 PM, Raymond Hettinger wrote: >> On Nov 22, 2014, at 2:45 PM, Chris Angelico wrote: >> >> Does your middleware_generator work with just a single element, >> yielding either one output value or none? > > I apologize if I didn't make the point clearly. The middleware example was > just simple outline of calling next(), doing some processing, and yielding a > result while letting the StopIteration float through from the next() call.
[middleware example]
def middleware_generator(source_generator):
it = source_generator()
input_value = next(it)
output_value = do_something_interesting(input_value)
yield output_value
The point that Chris made that you should be refuting is this one:
>> What happens if do_something_interesting happens to raise
>> StopIteration? Will you be surprised that this appears identical to
>> the source generator yielding nothing?
--
~Ethan~
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