Muhammad Alkarouri <malkaro...@gmail.com> writes: > In the python help for itertools, the following function is provided: > > def consume(iterator, n): > "Advance the iterator n-steps ahead. If n is none, consume > entirely." > collections.deque(islice(iterator, n), maxlen=0) > > What is the advantage of using a collections.deque against, say, the > following code? > > def consume(iterator, n): > for _ in islice(iterator, n): pass >
I remember suggesting this function (under the name of 'exhaust'!) a while ago - although I don't think there was an optional parameter for the number of elements consumed. I hadn't realised it had been deemed useful by others! -- Arnaud -- http://mail.python.org/mailman/listinfo/python-list
