Method _split

pandas/core/internals/blocks.py:390–401

Split a block into a list of single-column blocks.

(self)

    @final
    def _split(self) -> Generator[Block]:
        """
        Split a block into a list of single-column blocks.
        """
        assert self.ndim == 2

        for i, ref_loc in enumerate(self._mgr_locs):
            vals = self.values[slice(i, i + 1)]

            bp = BlockPlacement(ref_loc)
            nb = type(self)(vals, placement=bp, ndim=2, refs=self.refs)
            yield nb

    @final
    def split_and_operate(self, func, *args, **kwargs) -> list[Block]: