Hi Dima, On 2013-01-05, Dima Pasechnik <dimp...@gmail.com> wrote: > On 2013-01-05, Simon King <simon.k...@uni-jena.de> wrote: >> sage: a.abs # but that's good: >> NotImplemented > > this is still a hack, as R() might in principle not have anything to do > with abs(). In such a case NotImplemented is misleading, and it better > be that hasattr(a, 'abs')==False
Sure, but how could that be done, without finally switching from Python to Lisp ;) Best regards, Simon -- You received this message because you are subscribed to the Google Groups "sage-devel" group. To post to this group, send email to sage-devel@googlegroups.com. To unsubscribe from this group, send email to sage-devel+unsubscr...@googlegroups.com. Visit this group at http://groups.google.com/group/sage-devel?hl=en.
