Devin Jeanpierre writes:
Is it unreasonable to instead suggest generalizing the assignment target for parameters? For example, if parameter assignment happened left to right, and allowed more than just variables, then one could do:
def __init__(self, self.x, self.y): pass
At a glance, this is the most attractive syntax I've seen for this. If you're a keystroke minimizer, you can't do quite as well as def __init__(self, @x, @y): pass but def __init__(s, s.x, s.y): pass isn't bad at all.
Python 2 had non-variable parameters (but not attributes, just unpacking: def foo((x, y)): pass), but it was removed in Python 3, because of issues with introspection (among other, perhaps less significant, issues): https://peps.python.org/pep-3113/
Perhaps now that positional-only parameters exist, and the introspection APIs have evolved over time, there is a way to work this into the introspection APIs sensibly.
(a "@foo" parameter does not have this problem, because it's just a parameter named `foo` with some extra stuff.)
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