Lambda Lambda

[Scott Palmer]

Thanks.. just figured that out myself.
As my colleague just said to me "the world is good again"

On Thu, Mar 20, 2014 at 4:00 PM, Richard Bair <richard.bair at oracle.com> wrote:
> InvalidationListener has one param, ChangeListener has 3. So the arity of the lambda tells the compiler which kind to produce. If there was ambiguity, the compiler would complain.
>
> Richard
>
> On Mar 20, 2014, at 12:54 PM, Scott Palmer <swpalmer at gmail.com> wrote:
>
>> So I'm looking at Java 8 stuff now and I see that addListener has
>> methods.  One takes a ChangeListener, the other an
>> InvalidationListener.
>>
>> So what does this do:
>>
>> Node n = getSomeNode();
>> n.managedProperty().addListener(x -> test(x));
>>
>> Well it seems it adds an InvalidationListener.
>>
>> So I tried this:
>>
>> n.managedProperty().<ChangeListener>addListener(x -> test(x));
>>
>> which seems to be accepted syntax, but it still adds an InvalidationListener !!!
>>
>> Help Please.
>>
>> Why didn't JavaFX 8 add two new methods:
>> addChangeListener
>> addInvalidationListener
>>
>> ?
>>
>> Scott
>