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import scala.reflect.runtime.universe._
import scala.reflect.macros.{Context => Ctx}
object Impls {
def impl[T: c.WeakTypeTag](c: Ctx)(meth: String) = {
import c.universe._
val body = Apply(Select(Ident(definitions.PredefModule), TermName("println")), List(Literal(Constant(s"$meth[${c.weakTypeOf[T]}]"))))
c.Expr[Unit](body)
}
def fooNullary[T: c.WeakTypeTag](c: Ctx) = impl[T](c)("fooNullary")
def fooEmpty[T: c.WeakTypeTag](c: Ctx)() = impl[T](c)("fooEmpty")
def barNullary[T: c.WeakTypeTag](c: Ctx)(x: c.Expr[Int]) = impl[T](c)("barNullary")
def barEmpty[T: c.WeakTypeTag](c: Ctx)(x: c.Expr[Int])() = impl[T](c)("barEmpty")
}
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