[issue7764] Doc for itertools recipe consume is complicated and less efficient

[Peter Otten]

Peter Otten <__peter__ at web.de> added the comment:

As noted on comp.lang.python the implementation can be simplified to

def consume(items, n):
    next(islice(items, n, n), None)

When I suggested the above I wasn't aware that 

consume(items, None)

should exhaust the entire iterator. Unfortunately I've not found an elegant way to add that functionality.

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nosy: +potten

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