Iterators vs. Generators

[Kragen Sitaker]

aahz at pythoncraft.com (Aahz) writes:
> So when would one actually write an iterator instead of a generator?
> I've been trying to think of an example and failing.

Dunno.  Here are some ideas:
- when it needs to run in Python 1.5.2 (really!  MetaPy.Iter lets you
  write iterators that work with 1.5.2 and work fast with 2.2)
- when it is written in C or OCaml instead of Python