[Python-Dev] cpython: Minor clean-ups for heapq.

[Raymond Hettinger]

On May 27, 2014, at 1:58 AM, Serhiy Storchaka <storchaka at gmail.com> wrote:

> Perhaps it is worth to add simple comment explaining why this is not equivalent to just list(zip(it, range(n))). Otherwise it can be unintentionally "optimized" in future.

FWIW, that is covered by the test cases.
If you substitute list(zip(it, range(n))), the tests fail.


Raymond
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