EnumSet and reification

[Remi Forax]

On 10/05/2013 04:30 AM, cowwoc wrote:
> Hi,
>
>     Out of curiosity, is JDK 8's type reification improved enough so 
> that we can replace
>
> <E extends Enum<E>> EnumSet<E> EnumSet.noneOf(Class<E>)
>
>     with
>
> <E extends Enum<E>> EnumSet<E> EnumSet.noneOf()
>
>     and the JDK will figure out the value of E based on the expected 
> return type? If so, can we make this API change?
>
> Thanks,
> Gili

No, generics are not reified in Java 8 ... but lambda are reified, at 
least a kind of.
You can not access to the type argument but the reified signature of the 
lambda need to be known at runtime, this is a side effect of the fact 
that lambda proxies are generated at runtime.

Rémi