ImplementCall.kt

//let's say that we have a login method
val call = service.login(username, pass)
//we call the new enqueue
call.enqueue { result ->
    when(result) {
        is Result.Success -> {
                 //myData will have the type passed from the service method
                 val myData = result.response.body()
        }
        is Result.Failure -> {
                 Log.d("MyAndroidApp", result.error.toString())
        }
    }
}