def fold_left

bend-collections@1.0.0.0 · src/containers/intrusive_doubly_linked_list.bend:53

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

53# Forward fold, saving next before each callback. The accumulator may own Type data.
54def fold_left(~S: Type, ~N: Data, ~V: Data, ~A: Type, ~C: Data, ~H: Data, ~get_head: S -> H -> S & Maybe<&2, N>, ~next: S -> N -> S & Maybe<&2, N>, ~value: S -> N -> S & V, ~fn: S -> C -> A -> V -> S & A, +fuel: Nat, s: S, +h: H, +c: C, acc: A) -> S & Result<&2, &1, E.Error, A>:
55  Impl.fold_left(~S, ~N, ~V, ~A, ~C, ~H, ~get_head, ~next, ~value, ~fn, fuel, s, h, c, acc)