Python 3.0, rich comparisons and sorting order
tim.peters at gmail.com
Tue Sep 21 21:19:55 CEST 2004
>> Is there a good use case for binary trees with incompatible types
at the nodes?
> See the ZODB's BTree-based storage.
If you really look at them, you'll eventually read the "Total Ordering
and Persistence" section of the BTree docs:
It's strongly recommended there that people use a single key type per
BTree instance. Most of that part of the docs is explaining how many
nasty ways there are to get into bad trouble by being cleverer than
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