Jeff Shannon wrote: > So show us a dictionary (i.e. hash table) implementation that can do this. > You'll need to be able > to derive the old hash from the new hash, of course, so that you can > correctly associate the > values already stored under that key. And you'll have to be able to do that > without referring to > the pre-modified object again, because dicts can't track every Python > operation that might modify > a key object. And it needs to deal properly with equivalent-but-different-ID > list literals, > because using literals (and not references stored elsewhere) is an important > and common dict key > usage.
and to temporarily refer back to the top of this thread, do all this without any performance impact, compared to the current implementation. </F> -- http://mail.python.org/mailman/listinfo/python-list