def done_handle
import bend-collections@1.0.0.0/src/containers/internal/dlist_storage.bend as DlistStorageimport Base
import bend-collections@1.0.0.0/src/containers/types/internal_dlist.bend as E
127def done_handle(~T: Data, r: DList<T> & E.Handle) -> DList<T> & Result<&2, &2, E.Error, E.Handle>:
128 (s, h) = r
129 (s, Done{h})