Fallback (cactoos 0.55.0 API)

Type Parameters:

X - Type of input

All Superinterfaces:

Func<Throwable,X>

All Known Implementing Classes:

Fallback.From, Fallback.None
```
public interface Fallback<X>
extends Func<Throwable,X>
```
Fallback from a Throwable.
There is no thread-safety guarantee.

Since:

1.0

- Nested Class Summary
  
  Nested Classes
  Modifier and Type Interface Description
  
  static class Fallback.From<T>
  Fallback from exception.
  
  static class Fallback.None<X>
  No fallback.
- Method Summary
  
  All Methods Instance Methods Abstract Methods
  Modifier and Type Method Description
  
  int support(Throwable exception)
  Calculate level of support of the given exception type.
  - Methods inherited from interface org.cactoos.Func
    apply

- Method Detail
  - support
```
int support(Throwable exception)
```
    Calculate level of support of the given exception type.
    
    Parameters:
    
    exception - Exception
    
    Returns:
    
    Level of support: greater or equals to 0 if the target is supported and Integer.MIN_VALUE otherwise