Thanks Jorge! Very nice stuff!
On Nov 28, 10:13 am, "Jorge Ortiz" <[EMAIL PROTECTED]> wrote:
> Oops... forgot I was working on a branch.
>
> Pushed now.
>
> --j
>
> On Thu, Nov 27, 2008 at 11:38 PM, Marius <[EMAIL PROTECTED]> wrote:
>
> > Nice ! ... is this committed anywhere?
>
> > On Nov 28, 4:57 am, "Jorge Ortiz" <[EMAIL PROTECTED]> wrote:
> > > Folks,
>
> > > First, I've deprecated the containsClass method in ClassHelpers. It was
> > only
> > > being used once in the entire Lift codebase, and it was basically
> > equivalent
> > > to a very short call to List.exists. If you're using containsClass and
> > have
> > > some objection to using List.exists instead, let me know and I'll
> > > undeprecate it, but otherwise I see no good reason to keep it around.
>
> > > Second, I've updated some of the stuff in net.liftweb.util to take
> > advantage
> > > of Scala's new Manifests, which provide a cleaner interface. The older
> > > methods using Class[C] should still be there and work as they did before.
>
> > > For example, Cans have an "isA" method that takes a Class and returns a
> > Full
> > > can if the contents of the Can can be cast to that class, or Empty
> > > otherwise. To illustrate:
>
> > > abstract class Base
> > > case object Derived extends Base
> > > case object Incompatible extends Base
>
> > > Ful(Derived).isA(classOf[Base]) // returns a Full[Base]
> > > Full(Derived).isA(classOf[Incompatible]) // returns an Empty
> > > Empty.isA(classOf[Base]) // returns Empty
>
> > > The new method is called "asA", and has a sligtly different (cleaner)
> > > interface:
>
> > > Full(Derived).asA[Base] // returns a Full[Base]
> > > Full(Derived).asA[Incompatible] // returns an Empty
> > > Empty.asA[Base] // returns an Empty
>
> > > Likewise, the findClass methods in ClassHelpers take a Class[C] to which
> > the
> > > found class must conform. There are now new findType methods which don't
> > > require the Class[C], just a type annotation. So instead of:
>
> > > findClass(name, where, classOf[CometActor])
>
> > > You can now do:
>
> > > findType[CometActor](name, where)
>
> > > There were some methods private to Lift that I migrated as well, but
> > those
> > > shouldn't affect your apps.
>
> > > Thanks,
>
> > > --j
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