IntrusiveDoublyLinkedList.get_head: def of bend-collections@1.0.0.0
Import: import bend-collections@1.0.0.0/src/containers/intrusive_doubly_linked_list.bend as IntrusiveDoublyLinkedList
Lines 23-25 of bend-collections@1.0.0.0/src/containers/intrusive_doubly_linked_list.bend: https://jend.leeeet.dev/read.txt?path=bend-collections@1.0.0.0/src/containers/intrusive_doubly_linked_list.bend&start_line=23&end_line=25

import Base
import bend-collections@1.0.0.0/src/containers/internal/intrusive_list.bend as Impl

# Read a root; requires no writer context.
def get_head(~S: Type, ~N: Data, ~H: Data, ~get_head: S -> H -> S & Maybe<&2, N>, s: S, +h: H) -> S & Maybe<&2, N>:
  Impl.get_head(~S, ~N, ~H, ~get_head, s, h)

Uses (3):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Maybe
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Pair
  https://jend.leeeet.dev/definition.txt?path=bend-collections@1.0.0.0/src/containers/internal/intrusive_list.bend&name=get_head