Method __contains__

src/_pytest/mark/structures.py:563–568

(self, key: object)

    # below and use the collections.abc fallback, but that would be slow.

    def __contains__(self, key: object) -> bool:
        return (
            key in self._markers
            or self.parent is not None
            and key in self.parent.keywords
        )

    def update(  # type: ignore[override]
        self,