I don’t know. On Mar 20, 2014, at 1:03 PM, Scott Palmer <swpal...@gmail.com> wrote:
> So why doesn't this complain: > n.managedProperty().<ChangeListener>addListener(x -> test(x)); > > "ChangeListener" has no business being there. > > Scott > > On Thu, Mar 20, 2014 at 4:02 PM, Scott Palmer <swpal...@gmail.com> wrote: >> 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.b...@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 <swpal...@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 >>>
