def nonempty_result
import bend-collections@1.0.0.0/src/containers/internal/intrusive_list.bend as IntrusiveListimport Base
106def nonempty_result(~S: Type, ~N: Data, r: S & Maybe<&2, N>) -> S & Bool:
107 (s, m) = r
108 (s, Maybe.is_some(&2, N, m))