Function _broadcast_dataset

xarray/structure/alignment.py:1160–1164

(ds: T_Dataset)

        )

    def _broadcast_dataset(ds: T_Dataset) -> T_Dataset:
        data_vars = {k: _set_dims(ds.variables[k]) for k in ds.data_vars}
        coords = dict(ds.coords)
        coords.update(common_coords)
        return ds.__class__(data_vars, coords, ds.attrs)

    # remove casts once https://github.com/python/mypy/issues/12800 is resolved
    if isinstance(arg, DataArray):