def is_empty
import bend-collections@1.0.0.0/src/containers/internal/intrusive_list.bend as IntrusiveListimport Base
112def is_empty(~S: Type, ~N: Data, ~H: Data, ~get_head: S -> H -> S & Maybe<&2, N>, s: S, +h: H) -> S & Bool:
113 empty_result(~S, ~N, get_head(s, h))