Cesare> At this time with Python 2.6.1 we have these results:
Cesare> def f(): return 1 + 2 * 3 + 4j
...
Cesare> def f(): return ['a', ('b', 'c')] * (1 + 2 * 3)
Guido can certainly correct me if I'm wrong, but I believe the main point of
his message was that you aren't going to encounter a lot of code in Python
which is amenable to traditional constant folding. For the most part, they
will be assigned to symbolic "constants", which, unlike C preprocessor
macros aren't really constants at all. Consequently, the opportunity for
constant folding is minimal and probably introduces more opportunities for
bugs than performance improvements.
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