On Sat, 18 Jun 2011 23:08:27 -0700 Jason Grout <jason-s...@creativetrax.com> wrote:
> On 6/18/11 10:59 PM, Ars-Magna wrote: > > Hi all, > > I noticed that in the 4.6.2 one has the following expected behavior > > sage: list(x.iterator()) > > [] > > where as in 4.7 > > sage: list(x.iterator()) > > ValueError ..... > > > > Is it just my machine or any one else observed this behavior I > > wanted to confirm before creating a Ticket. > > What is x? I suppose it's a symbolic variable. This was changed in #7537: http://trac.sagemath.org/sage_trac/ticket/7537 Why do you think an empty list is the expected behavior? Note that t.operator() will return None for any object that does not have a list of operands (constant, numeric or symbol). This can be used as a test criteria if you are trying to traverse the expression tree. Burcin -- To post to this group, send an email to sage-devel@googlegroups.com To unsubscribe from this group, send an email to sage-devel+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/sage-devel URL: http://www.sagemath.org
