id: loop-var-capture
valid:
  - |
    for i := range items {
        go func(index int) {
            fmt.Println(index)
        }(i)
    }
  - |
    for i := range items {
        fmt.Println(i)
    }
invalid:
  - |
    for i := range items {
        go func() {
            fmt.Println(i)
        }()
    }
  - |
    for _, val := range data {
        go func() {
            fmt.Println(val)
        }()
    }