Template magic exercise

[Jack Applegame]

Target is to create a template for mapping member "array 
accessor" to member function.

For example:

class Foo {
   ...
   int elementsAccessor(size_t index) { ... }
   ...
   mixin MagicTemplateMixin!("elements", elementsAccessor);
   // or better
   alias elements = SuperMagicTemplate!elementsAccessor;
}

and now we can call Foo.getter like this:

auto foo = new Foo;
int el = foo.elements[10]; // int el = foo.getter(10);

I wrote poor and ugly solution with proxy structure:
http://dpaste.dzfl.pl/93085910f8c7
I hate it. :)

I need more powerful spell, but my magic level is too low.