2011/10/14 Aaron Meurer <asmeu...@gmail.com>: > I didn't look into it, but my guess is that the log is only expanded > if the expansion hints are hit on the expression in a particular > order. Unfortunately, we still have in Expr.expand: > > for hint, use_hint in hints.iteritems(): > <expand> > > where hints is a dictionary of the hints. But the order of > dict.iteritems() is *completely* arbitrary, and as far as I know isn't > even guaranteed to be the same for the exact same dictionary within > the same session. > And I had the same problem with unrad. Pehaps we need the equivalent of 'sorted' that can be used easily. I am still a little confused about which key to use (default_sort_key, Basic.compare, etc...). That way, when something from an unordered iterable is processed, it can quickly be made canonical.
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