problem with vargs method

[Jochen Theodorou]

Am 07.02.2012 17:29, schrieb Jim Laskey:
>>>>         MethodType type = MethodType.methodType(Constructor.class, Class[].class);
>>>>         MethodHandle mh = MethodHandles.lookup().findVirtual(Class.class, "getDeclaredConstructor", type);
>>>>         MethodType target = MethodType.methodType(Object.class, Object.class, Object.class);
>>>>         mh = mh.asType(target);
>>>>         mh.invokeWithArguments(Class.class,new Class[0]);
>
> As soon as you  mh = mh.asType(target); it is no longer vararg, so it
> is treating new Class[0] as the second argument cast to Object.  If
> you are trying to type as (Object , Object[]). I think you are going
> to run into difficulties validating (Class[]) Object[].  You may have
> to add a wrapper to get what you want, but you could also try using
> asCollector.

or in other words: I should not use invokeWithArguments for this.

If I wanted to use the same target type... since that is what my call 
site gives me... and I wanted to use invokeExact instead, how would I 
have to change the program?

bye blackdrag

-- 
Jochen "blackdrag" Theodorou - Groovy Project Tech Lead
blog: http://blackdragsview.blogspot.com/
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