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- discard """
- errormsg: "cannot mutate location kid.parent within a strict func"
- line: 16
- """
- {.experimental: "strictFuncs".}
- type
- Node = ref object
- name: string
- kids: seq[Node]
- parent: Node
- func initParents(tree: Node) =
- for kid in tree.kids:
- kid.parent = tree
- initParents(kid)
- proc process(intro: Node): Node =
- var tree = Node(name: "root", kids: @[
- intro,
- Node(name: "one", kids: @[
- Node(name: "two"),
- Node(name: "three"),
- ]),
- Node(name: "four"),
- ])
- initParents(tree)
- proc main() =
- var intro = Node(name: "intro")
- var tree = process(intro)
- echo intro.parent.name
- main()
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