File: t6411b.scala

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scala 2.11.12-5
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import scala.reflect.runtime.universe._

case class Foo(n: Int) extends AnyVal
case class Bar(foo: Foo)

object Test extends App {
  val mirror = runtimeMirror(getClass.getClassLoader)
  val cm = mirror.reflectClass(typeOf[Bar].typeSymbol.asClass)
  val ctor = typeOf[Bar].decl(termNames.CONSTRUCTOR).asMethod
  val ctorm = cm.reflectConstructor(ctor)
  println(ctorm(Foo(3)))
}