On Tue, Jun 30, 2009 at 2:57 PM, Andrew McCallum<
mccallum@...> wrote:
> I'm desperate for trait constructor arguments only because I need a Manifest
> for my trait's type argument (in order to include code whose behavior
> depends on the type). Something like:
>
> trait Farm[A <: Animal](implicit m:Manifest[A]) {
> def foo(a:Animal) = if (m.erasure == a.getClass) bar1 else bar2
> }
>
> Is there some other recommended work-around? Of course my true use-case is
> a bit more complicated. I'm stuck without a solution.
Couldn't you move the implicit parameter to the method?
trait Farm[A <: Animal] {
def foo(a:Animal)(implicit m:Manifest[A]) = if (m.erasure ==
a.getClass) bar1 else bar2
}
Cheers,
Miles
--
Miles Sabin
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