FailFilter

Type Parameters:

F - Type of the failure input

F_OUT - Type of the failure output from this filter

All Known Implementing Classes:

FilteredPromise.NoOpFailFilter
```
public interface FailFilter<F,F_OUT>
```
A filter invoked when the Promise's state becomes Promise.State.REJECTED. Filters allow to convert a value into a new value. This has to happen synchronous. For asynchronous calls see FailPipe.

See Also:

Promise.filter(DoneFilter, FailFilter), Promise.filter(DoneFilter, FailFilter, ProgressFilter)

- Method Summary
  
  All Methods Instance Methods Abstract Methods
  Modifier and Type Method Description
  
  F_OUT filterFail(F result)

- Method Detail
  - filterFail
```
F_OUT filterFail(F result)
```