Lint.fold: def of bend-lint-api@0.2.0.0
Import: import bend-lint-api@0.2.0.0/linter/lint.bend as Lint
Lines 344-364 of bend-lint-api@0.2.0.0/linter/lint.bend: https://jend.leeeet.dev/read.txt?path=bend-lint-api@0.2.0.0/linter/lint.bend&start_line=344&end_line=364

import Base

# `f(c, node, s)` for each node of `nodes` and under them, parents first, in order, from `s`.
def fold(
  ~C: Data,
  ~S: Data,
  ~f: @+c: C -> @+node: Node -> S -> S,
  +c: C,
  nodes: List<&2, Node>,
  s: S
) -> S:
  match nodes:
    case Nil{}:
      s
    case Con{Node{syntax, name, span, +kids, facts}, rest}:
      fold(
        ~C,
        ~S,
        ~f,
        c,
        rest,
        fold(~C, ~S, ~f, c, kids, f(c, Node{syntax, name, span, kids, facts}, s))
      )

Uses (2):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=List
  https://jend.leeeet.dev/definition.txt?path=bend-lint-api@0.2.0.0/linter/lint.bend&name=Node