[Python-Dev] very slow compare of recursive objects (original) (raw)

Tim Peters tim.one@comcast.net
Mon, 20 Jan 2003 10:59:30 -0500

[Neal Norwitz]

What about:

>>> t = ([],) >>> t[0].append(t) >>> print t ([([...],)],) >>> print t[0][0] is t True Not sure if that's a tuple containing a recursive structure or a recursive tuple.

It's both, as was my example too. Note that it required mutation of a mutable container object to create it.