IntrusiveList.fold_step_2: def of bend-collections@1.0.0.0
Import: import bend-collections@1.0.0.0/src/containers/internal/intrusive_list.bend as IntrusiveList
Lines 140-142 of bend-collections@1.0.0.0/src/containers/internal/intrusive_list.bend: https://jend.leeeet.dev/read.txt?path=bend-collections@1.0.0.0/src/containers/internal/intrusive_list.bend&start_line=140&end_line=142

import Base

def fold_step_2(~S: Type, ~N: Data, ~V: Data, ~A: Type, ~C: Data, ~next: S -> N -> S & Maybe<&2, N>, ~value: S -> N -> S & V, ~fn: S -> C -> A -> V -> S & A, +c: C, acc: A, +after: Maybe<&2, N>, r: S & V) -> S & (Maybe<&2, N> & A):
  (s, +v) = r
  fold_step_3(~S, ~N, ~V, ~A, ~C, ~next, ~value, ~fn, after, fn(s, c, acc, v))

Uses (4):
  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=Base/base.bend&name=Sigma
  https://jend.leeeet.dev/definition.txt?path=bend-collections@1.0.0.0/src/containers/internal/intrusive_list.bend&name=fold_step_3