On Thu, Mar 9, 2017 at 9:39 AM, Brice PARENT <cont...@brice.xyz> wrote: > But a possible workaround, is if we used the first positional argument of > dict() as the default value. As right now it doesn't accept positional > arguments (or at least if they are not iterable, which complicates a bit the > thing), we could allow a syntax like : > d = dict([default, ][*args, ]**kwargs) > where default is a callable, *args made of iterables, and kwargs any kwargs.
There'd still be a pile of special cases. Granted, there aren't going to be very many objects that are both callable and iterable, but there certainly _can be_, and if one were passed as the first argument, it would be ambiguous. Safer to keep this out of the signature of dict itself. ChrisA _______________________________________________ Python-ideas mailing list Python-ideas@python.org https://mail.python.org/mailman/listinfo/python-ideas Code of Conduct: http://python.org/psf/codeofconduct/
