Message2399

This patch implements most of the functionality of PEP
279 The enumerate() built-in function. It can't be
fully implemented in this moment, because of:

Jython 2.2aNewstyle on java1.4.2_06 (JIT: null)
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>>> class C(enumerate):pass
...
Traceback (innermost last):
  File "<console>", line 1, in ?
TypeError: base is not a class object:
'reflectedfunction' object
>>>

I'm willing to develop it further but there must be a
way to subclass builtin base types first (and it seems
to be a matter of days now :-)

It passes most of the test from test_enumerate.py of
Python 2.3.4 (included in attachment) - I commented out
those requiring sets module and subclassing builtins.