Function _combine_hist_dict

cadquery/occ_impl/shapes.py:5638–5652

Helper for combining of history dicts. If a key occurs twice, both values are added to a compound.

(d1: dict[Shape, Shape], *ds: dict[Shape, Shape])

def _combine_hist_dict(d1: dict[Shape, Shape], *ds: dict[Shape, Shape]) -> None:
    """
    Helper for combining of history dicts.
    If a key occurs twice, both values are added to a compound.
    """

    for d in ds:
        common_keys = d1.keys() & d.keys()
        new_keys = d.keys() - d1.keys()

        for k in common_keys:
            d1[k] |= d[k]

        for k in new_keys:
            d1[k] = d[k]


def _combine_ops(op: Op, *ops: Op) -> Op: