FailCallback

Type Parameters:

F - Type used for Deferred.reject(Object)
```
public interface FailCallback<F>
```
A callback invoked when the Promise's state becomes Promise.State.REJECTED.

See Also:

Deferred.reject(Object), Promise.fail(FailCallback)

- Method Summary
  
  All Methods Instance Methods Abstract Methods
  Modifier and Type Method Description
  
  void onFail(F result)

- Method Detail
  - onFail
```
void onFail(F result)
```