Luke Paireepinart wrote: > Refer to http://docs.python.org/ref/yield.html for information about yield. > Disclaimer: The following information I'm going to present you I came up > with after reading that short explanation of 'yield' so it may not be > exactly correct.
There is a longer explanation here: http://www.python.org/doc/2.2.3/whatsnew/node5.html > So you could think of the loop like this: > gen = some_function(5) #create the generator > while 1: > try: > print gen.next() > except: #we ran out of things to generate (the generator stopped > yielding results -- supposedly it raises an error here?) > print "End of generator." > break > > Anyway, I've never used them but that sounds like a reasonable way for > them to work. Yes, that is pretty much what is going on. The generatory will raise StopIteration when there are no more values. Kent _______________________________________________ Tutor maillist - Tutor@python.org http://mail.python.org/mailman/listinfo/tutor