On Thu, Mar 21, 2019 at 09:11:18AM -0700, Guido van Rossum wrote: > I don't find it easy to understand or remember that d1.update(d2) modifies > d1 in place, while d1.merge(d2) first copies d1. > > Maybe the name can indicate the copying stronger? Like we did with sorting: > l.sort() sorts in-place, while sorted(l) returns a sorted copy.
How about dict.merged(*args, **kw)? Or dict.updated()? That would eliminate some of the difficulties with an operator, such as the difference between + which requires both operands to be a dict but += which can take any mapping or (key,value) iterable. -- Steven _______________________________________________ Python-ideas mailing list Python-ideas@python.org https://mail.python.org/mailman/listinfo/python-ideas Code of Conduct: http://python.org/psf/codeofconduct/
