[[...]]

Alan Daniels daniels at mindspring.com
Fri Mar 17 23:48:32 EST 2000

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On Fri, 17 Mar 2000 14:14:57 GMT, the infinitely wise Jeff Pinyan
(jeffp at crusoe.net) spoke forth to us, saying...

>>[[...]]
>It's Python's way of saying you have a circular data structure.

Interesting. Is there a programmatic way to check for this? I didn't
see any mention of it in the FAQ. If I do:

>>> a = []
>>> a.append(a)
>>> type(a[0])
<type 'list'>

All you get is that its a list, nothing else. It would be nice to have
some more bulletproof way than the only other approach I can think of:

>>> def IsRecursiveList(x):
>>>     return str(x) == '[[...]]'

Any ideas?

-- 
=======================
Alan Daniels
daniels at mindspring.com
daniels at cc.gatech.edu

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