Method union

lib/sqlalchemy/util/_immutabledict_cy.py:150–153

(
        self, *dicts: Optional[Mapping[_KT, _VT]]
    )

    @cython.annotation_typing(False)  # avoid cython crash from generic return
    def union(
        self, *dicts: Optional[Mapping[_KT, _VT]]
    ) -> immutabledict[_KT, _VT]:
        return self._union_other(dicts)  # type: ignore[no-any-return]

    @cython.annotation_typing(False)  # avoid cython crash from generic return
    def merge_with(