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Repaired comment.

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Tim Peters 2003-01-27 19:38:34 +00:00
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Lib/pickletools.py
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@ -70,8 +70,8 @@ At heart, that's all the PM has. Subtleties arise for these reasons:
+ Backward compatibility and micro-optimization. As explained below, + Backward compatibility and micro-optimization. As explained below,
pickle opcodes never go away, not even when better ways to do a thing pickle opcodes never go away, not even when better ways to do a thing
get invented. The repertoire of the PM just keeps growing over time. get invented. The repertoire of the PM just keeps growing over time.
So, e.g., there are now six distinct opcodes for building a Python integer, So, e.g., there are now five distinct opcodes for building a Python integer,
five of them devoted to "short" integers. Even so, the only way to pickle four of them devoted to "short" integers. Even so, the only way to pickle
a Python long int takes time quadratic in the number of digits, for both a Python long int takes time quadratic in the number of digits, for both
pickling and unpickling. This isn't so much a subtlety as a source of pickling and unpickling. This isn't so much a subtlety as a source of
wearying complication. wearying complication.