[issue43761] Documenting dataclass and namedtuple changes for structural pattern matching

[Brandt Bucher]

Brandt Bucher <brandtbucher at gmail.com> added the comment:

> For named tuples, there isn't an include/exclude option, so no extra mention is warranted.

I think a note in the docs could still be valuable, if only because defining __match_args__ for named tuples changes the inherited tuple behavior for positional matches quite significantly: "case tuple(x)" and "case MyNT(x)" don't mean the same thing.

(Although perhaps this could be inferred from the new constructor signature.)

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