def walk.step

bend-lint-pack@0.1.1.0 · complexity/cognitive.bend:53

import Base
import bend-lint-pack@0.1.1.0/vendor/lint.bend as Lint

53def walk.step(
54  is_mat: Bool,
55  is_ann: Bool,
56  children: List<&2, Lint.Node>,
57  +depth: U32,
58  +chain: Bool,
59  total: U32
60) -> IO(U32):
61  match is_mat is_ann:
62    case True{} _:
63      walk.arms(
64        children,
65        depth,
66        True{},
67        U32.add(total, Bool.pick(U32, chain, 0, U32.add(depth, 1)))
68      )
69    case False{} True{}:
70      walk.all(children, depth, chain, total)
71    case False{} False{}:
72      walk.all(children, Bool.pick(U32, chain, U32.add(depth, 1), depth), False{}, total)