import scala.reflect.runtime.universe._
import scala.tools.reflect.ToolBox

object HelloWorld {
  def main(args: Array[String]) {
    val tb = runtimeMirror(getClass.getClassLoader).mkToolBox()
    val act = tb.typecheck(reify {
      //implicit val imp = Seq.canBuildFrom[(Int, Int)] // Also works if we uncomment this
      Seq(1).zipWithIndex
    }.tree)
  }
}