def get_head
import bend-collections@1.0.0.0/src/containers/internal/intrusive_list.bend as IntrusiveListimport Base
44def get_head(~S: Type, ~N: Data, ~H: Data, ~get_head: S -> H -> S & Maybe<&2, N>, s: S, +h: H) -> S & Maybe<&2, N>:
45 get_head(s, h)