def length

bend-collections@1.0.0.0 · src/containers/internal/intrusive_list.bend:287

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

287def length(~S: Type, ~N: Data, ~H: Data, ~get_head: S -> H -> S & Maybe<&2, N>, ~next: S -> N -> S & Maybe<&2, N>, +fuel: Nat, s: S, +h: H) -> S & Result<&2, &1, E.Error, Nat>:
288  fold_left(~S, ~N, ~N, ~Nat, ~Unit, ~H, ~get_head, ~next, ~(s => n => node_value(~S, ~N, s, n)), ~(s => c => a => n => count_node(~S, ~N, s, c, a, n)), fuel, s, h, Unit{}, 0n)