Functions and Files

📝 Useful code snippets for functions

Recovering to stop a panic terminating sequence:

func protect(g func()) {
  defer func() {
    log.Println("done") // Println executes normally even if there is a panic
    if x := recover(); x != nil {
      log.Printf("run time panic: %v", x)
    }
  }()
  log.Println("start")
  g()
}