Oh, but the behavior of annotations in e.g. mypy is the same. They are cumulative.
On Mon, Jan 11, 2021 at 17:42 Larry Hastings <[email protected]> wrote: > > On 1/11/21 5:28 PM, Guido van Rossum wrote: > > On Mon, Jan 11, 2021 at 5:21 PM Larry Hastings <[email protected]> wrote: > >> Slots intelligently support inheritance, too. I always kind of wondered >> why annotations didn't support inheritance--if D is a subclass of C, why >> doesn't D.__annotations__ contain all C's annotations too? But we're way >> past reconsidering that behavior now. >> > > Anyway, `__slots__` doesn't behave that way -- seems it behaves similar to > `__annotations__`. > > __slots__ itself doesn't behave that way, but subclasses do inherit the > slots defined on their parent: > > class C: > __slots__ = ['a'] > > class D(C): > __slots__ = ['b'] > > d = D() > d.a = 5 > d.b = "foo" > print(f"{d.a=} {d.b=}") > > prints > > d.a=5 d.b='foo' > > That's the inheritance behavior I was referring to. > > > Cheers, > > > */arry* > -- --Guido (mobile)
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