# Interface Callback<T>

All Superinterfaces:
  `FailureCallback<T>, SuccessCallback<T>`

All Known Implementing Classes:
  `CallbackAdapter`

public interface Callback<T> extends SuccessCallback<T>, FailureCallback<T>
Simple interface that allows asynchronous code to perform a parameterized callback or failure in a similar way to GWT's callback interface.

- ## Method Summary

  ### Methods inherited from interface FailureCallback

  `onError`

  ### Methods inherited from interface SuccessCallback

  `onSucess`