DoublyLinkedList.step_handle: def of bend-collections@1.0.0.0
Import: import bend-collections@1.0.0.0/src/containers/doubly_linked_list.bend as DoublyLinkedList
Lines 207-212 of bend-collections@1.0.0.0/src/containers/doubly_linked_list.bend: https://jend.leeeet.dev/read.txt?path=bend-collections@1.0.0.0/src/containers/doubly_linked_list.bend&start_line=207&end_line=212

import Base
import bend-collections@1.0.0.0/src/containers/types/doubly_linked_list.bend as E

def step_handle(~T: Data, s: DList<T>, op: E.Op<T>, h: Maybe<&2, E.Handle>) -> DList<T> & E.Obs<T>:
  match h:
    case None{}:
      dispatch(~T, s, op)
    case Some{handle}:
      checked(~T, op, validate(~T, s, handle))

Uses (9):
  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/doubly_linked_list.bend&name=DList
  https://jend.leeeet.dev/definition.txt?path=bend-collections@1.0.0.0/src/containers/doubly_linked_list.bend&name=checked
  https://jend.leeeet.dev/definition.txt?path=bend-collections@1.0.0.0/src/containers/doubly_linked_list.bend&name=dispatch
  https://jend.leeeet.dev/definition.txt?path=bend-collections@1.0.0.0/src/containers/doubly_linked_list.bend&name=validate
  https://jend.leeeet.dev/definition.txt?path=bend-collections@1.0.0.0/src/containers/types/doubly_linked_list.bend&name=Handle
  https://jend.leeeet.dev/definition.txt?path=bend-collections@1.0.0.0/src/containers/types/doubly_linked_list.bend&name=Obs
  https://jend.leeeet.dev/definition.txt?path=bend-collections@1.0.0.0/src/containers/types/doubly_linked_list.bend&name=Op