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match x: case Class(x=1, x=2): ... case [Class(x=1, x=2)]: ... case {"x": x, "y": Foo(x=1, x=2)}: ... case [{}, {"x": x, "y": Foo(x=1, x=2)}]: ... case Class(x=1, d={"x": 1, "x": 2}, other=Class(x=1, x=2)): ...