import scala.reflect.makro.{Context => Ctx} object Impls { def foo(c: Ctx)(xs: c.Expr[Int]*) = { import c.mirror._ val stripped_xs = xs map (_.tree) toList match { case List(Typed(stripped, Ident(wildstar))) if wildstar == tpnme.WILDCARD_STAR => List(stripped) case _ => ??? } val body = Apply(Select(Ident(definitions.PredefModule), newTermName("println")), stripped_xs) Expr[Unit](body) } }