On Fri, 5 Jun 2015 06:52 am, BartC wrote: > On 04/06/2015 18:11, Steven D'Aprano wrote: > >>If there is >> any language where assignment uses one style and argument passing always >> uses another, I've never come across it. > > My language does that. I'd be very surprised if it was the only one in > existence that does so.
I would be. That means that func(x) and tmp = x func(tmp) behave differently, and that would be very surprising to me (and, I think, most people). > Assignments involve a deep copy. Argument passing is something > in-between by-value and by-reference (depending also on the type of data > involved). When you say "something in-between ...", do you mean pass by sharing? > There is a also an actual by-reference mode (where a pointer > is passed). Passing a pointer is not necessarily by reference. Pass by sharing also uses a pointer. -- Steven -- https://mail.python.org/mailman/listinfo/python-list
