| Package | Description | 
|---|---|
| gololang.concurrent.async | 
 Support for asynchronous programming constructs. 
 | 
| Modifier and Type | Method and Description | 
|---|---|
Future | 
Future.onFail(Future.Observer observer)
Registers a callback for when the future fails. 
 | 
Future | 
AssignedFuture.onFail(Future.Observer observer)  | 
Future | 
Future.onSet(Future.Observer observer)
Registers a callback for when the future is set. 
 | 
Future | 
AssignedFuture.onSet(Future.Observer observer)  |