I don't see that big a problem. The current Python sorting routine operates on instances of class "object" and calls the __cmp__ method to do comparisons. Every class of sortable objects either defines a __cmp__ method or inherits one from some superclass, and sort calls those methods. Static type declarations would not require writing any additional sorting routines.
Python's list.sort doesn't check the *type* of the arguments at all. It only looks for the relevant comparison methods (__cmp__ or __lt__, as I recall).
Sure, classes written in *Python* will ultimately inherit from either object or types.ClassType, but extension classes need not do any such thing.
Yet list.sort works with them all, anyway.
Cheers, Nick.
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Nick Coghlan | [EMAIL PROTECTED] | Brisbane, Australia
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http://boredomandlaziness.skystorm.net
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