LabelledGeneric, scala 2.10 (2)

Lgen2.scala

case class Foo0()

case class Foo1(i: Int)

object Lgen2 {
  import shapeless._
  import language.experimental.macros

  // Works with this one, but hard to do anything with it then...
  implicit def lgen[T]: shapeless.LabelledGeneric[T] = macro shapeless.GenericMacros.materializeLabelled[T, Nothing]

  // Does *not* work with this one
  // implicit def lgen[T, R]: shapeless.LabelledGeneric.Aux[T, R] = macro shapeless.GenericMacros.materializeLabelled[T, R]

  LabelledGeneric[Foo0]
  LabelledGeneric[Foo1]
}