Hi Simon, On 15 November 2016 at 11:44, Simon King <simon.k...@uni-jena.de> wrote: > Hi Vincent, > > [...] > >> Python is using __nonzero__ to deal with these or/and/not operators. >> This method __nonzero__ implicitly defines the conversion to booleans. >> And Python sets >> >> x or y := x if bool(x) is True and y otherwise > > Is it not calling x.__or__(y), which could be overridden?
Indeed, __or__ is for the operator |. "or" can not be overridden. sage: class a(object): ....: def __or__(self, other): ....: return "hello" sage: a() or True <__main__.a object at 0x7f2549683b50> sage: a() | True 'hello' Vincent -- You received this message because you are subscribed to the Google Groups "sage-devel" group. To unsubscribe from this group and stop receiving emails from it, send an email to sage-devel+unsubscr...@googlegroups.com. To post to this group, send email to sage-devel@googlegroups.com. Visit this group at https://groups.google.com/group/sage-devel. For more options, visit https://groups.google.com/d/optout.
