func main() { var L *lua.State L = lua.NewState() defer L.Close() L.OpenLibs() currentPanicf := L.AtPanic(nil) currentPanicf = L.AtPanic(currentPanicf) newPanic := func(L1 *lua.State) int { fmt.Println("I AM PANICKING!!!") return currentPanicf(L1) } L.AtPanic(newPanic) //force a panic L.PushNil() L.Call(0, 0) }