By the way, why exactInvoker() is needed? Isn't the following true?
exactInvoker(target.type()).bindTo(target) == target
Kirill
On 01/27/2011 12:01 AM, Jim Laskey wrote:
> I think it's a simple issue. Drop should use 1 instead of 0.
>
>
> public static
> MethodHandle filterReturnValue(MethodHandle target, MethodHandle filter)
> {
> MethodType targetType = target.type();
> MethodType filterType = filter.type();
> if (filterType.parameterCount() != 1
> || filterType.parameterType(0) != targetType.returnType())
> System.err.println("target and filter types do not match");
> // FIXME: Too many nodes here.
> MethodHandle returner = dropArguments(filter, 0,
> targetType.parameterList());<<< 0 should be 1
> return foldArguments(returner,
> exactInvoker(target.type()).bindTo(target));
> }
>
> Cheers,
>
> -- Jim
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