On 11/07/2013 1:15 PM, Joshua Landau wrote:
I have this innocent and simple code:
from collections import deque
exhaust_iter = deque(maxlen=0).extend
exhaust_iter.__doc__ = "Exhaust an iterator efficiently without
caching any of its yielded values."
Obviously it does not work. Is there a way to get it to work simply
and without creating a new scope (which would be a rather inefficient
a way to set documentation, and would hamper introspection)?
I would just go with the most obvious approach:
def exhaust_iter(iter):
"""
Exhaust an iterator efficiently without caching
any of its yielded values
"""
deque(maxlen=0).extend(iter)
It's not going to be that inefficient unless you're calling it in a long
inner loop.
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