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- discard """
- errormsg: "cannot mutate location select(x, z).data within a strict func"
- line: 35
- """
- {.experimental: "strictFuncs".}
- type
- Node = ref object
- le, ri: Node
- data: string
- func insert(x: var seq[Node]; yyy: Node) =
- let L = x.len
- x.setLen L + 1
- x[L] = yyy
- func len(n: Node): int =
- var it = n
- while it != nil:
- inc result
- it = it.ri
- func doNotDistract(n: Node) =
- var m = Node(data: "abc")
- func select(a, b: Node): Node = b
- func mutate(n: Node) =
- var it = n
- let x = it
- let y = x
- let z = y
- select(x, z).data = "tricky"
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