ValueObservable 0.3 API


public abstract class ValueObservable<T extends Object>

Basic observable with value.

Constructor Summary

Constructors
Constructor	Description
`ValueObservable()`	Empty constructor.

Method Summary

Modifier and Type	Method	Description
`final Unit`	`addListenerAndInvoke(T initialValue, Function2<T, T, Unit> listener)`	Adds a listener and calls ValueObserver.update on this new listener with given initial value.
`final Unit`	`addListener(ValueObserver<T> listener)`	Adds a listener silently.
`final Boolean`	`removeListener(ValueObserver<T> listener)`	Removes a listener.
`final Unit`	`clearListeners()`	Removes all listeners.

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Constructor Detail
  - ValueObservable
```
ValueObservable()
```
    Empty constructor.
- Method Detail
  - addListenerAndInvoke
```
 final Unit addListenerAndInvoke(T initialValue, Function2<T, T, Unit> listener)
```
    Adds a listener and calls ValueObserver.update on this new listener with given initial value.
    
    Parameters:
    
    initialValue - Initial value to notify.
    
    listener - Listener to add and notify.
  - addListener
```
 final Unit addListener(ValueObserver<T> listener)
```
    Adds a listener silently.
    
    Parameters:
    
    listener - listener to add.
  - removeListener
```
 final Boolean removeListener(ValueObserver<T> listener)
```
    Removes a listener.
    
    Parameters:
    
    listener - listener to remove.
  - clearListeners
```
 final Unit clearListeners()
```
    Removes all listeners.