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not a package: "n" in n.multiply <*ast.SelectorExpr> #254

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not a package: "n" in n.multiply <*ast.SelectorExpr>#254
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cosmos72
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@chbk
chbk
opened on Oct 17, 2022
type Node struct {
  value int
  next *Node
}

func (n Node) multiply(x int) int {
  return n.value * x
}

n := Node{2, nil}
n.multiply(3)
repl.go:11:1: not a package: "n" in n.multiply <*ast.SelectorExpr>

However, this works:

type Node struct {
  value int
}

func (n Node) multiply(x int) int {
  return n.value * x
}

n := Node{2}
n.multiply(3)

Versions:

  • go version go1.19.2 linux/amd64
  • gophernotes@v0.7.5

Related to #240

Activity

  1. cosmos72
    self-assigned this
    on Mar 28, 2024
  2. cosmos72
    added
    bug
    on Mar 28, 2024

  3. cosmos72 commented on Mar 28, 2024

    @cosmos72
    cosmos72
    on Mar 28, 2024
    Member

    Thanks for spotting this!
    It's a bug related to recursive types.
    Similar issues keep popping up, because reflect package cannot create recursive types
    so they need to be emulated - and the emulation is not yet perfect.

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