A way to accommodate laguage changes
Skip Montanaro
skip at pobox.com
Tue Jul 24 07:59:30 EDT 2001
Terry> To run newly written code under old versions of the interpreter,
Terry> you have to eschew *all* features added after the oldest version
Terry> you want to support. For 1.5.2, this means list comprehensions,
Terry> augmented assignments, nested scopes, iterators, generators,
Terry> type-class unification features, and what ever else is next
Terry> added.
Yeah, but that presumes that the features you do use don't change meaning.
Terry> For the proposed division change, the 'new' meanings will be
Terry> int/int and float//float. So write float(int)/int and
Terry> floor(float/float) instead. Only write int//int or float/float.
Terry> With the tokenizer module, it will then be easy to change all
Terry> instances of int//int to int/int (old meaning).
Interesting solution.
--
Skip Montanaro (skip at pobox.com)
http://www.mojam.com/
http://www.musi-cal.com/
More information about the Python-list
mailing list