Method __iter__

src/_pytest/mark/structures.py:581–588

(self)

        raise ValueError("cannot delete key in keywords dict")

    def __iter__(self) -> Iterator[str]:
        # Doesn't need to be fast.
        yield from self._markers
        if self.parent is not None:
            for keyword in self.parent.keywords:
                # self._marks and self.parent.keywords can have duplicates.
                if keyword not in self._markers:
                    yield keyword

    def __len__(self) -> int:
        # Doesn't need to be fast.