pythonic tree-walking idioms

[Aahz Maruch]

In article <3b04d42e$1_2 at newsfeeds>, Shak <raskol at hushmail.com> wrote:
>
>Thanks... appreciate all the responses... however I didn't realize that
>"yield" was a python keyword... seems ruby-like to me...

It's not, yet.  It's part of an experimental patch on Python.  However,
you can probably achieve a similar effect with little effort in current
CVS Python and iterators.
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