id: waitgroup-done-scope
valid:
  - |
    wg.Add(1)
    go func() {
        defer wg.Done()
        doWork()
    }()
  - |
    wg.Wait()
invalid:
  - |
    wg.Add(1)
    wg.Done()
  - |
    func bad() {
        wg.Add(1)
        doWork()
        wg.Done()
    }