macro-bundle-object.scala:10: error: macro implementation has incompatible shape:
 required: (c: scala.reflect.macros.blackbox.Context): c.Expr[Nothing]
 or      : (c: scala.reflect.macros.blackbox.Context): c.Tree
 found   : : Nothing
number of parameter sections differ
  def foo = macro Bundle.impl
                         ^
one error found