pawelpanasewicz

package infrastructure

import org.scalatest.prop.PropertyChecks
import org.scalatest._

class   Spec
extends FreeSpec
with    MustMatchers
with    DiagrammedAssertions
with    PropertyChecks

pawelpanasewicz

trait Animal{
  println ("creating Animal")
  def speak: String
}

trait PrettyAnimal extends Animal{
  println ("creating Pretty Animal")
  abstract override def speak = s"Pretty(${super.speak})"
}

pawelpanasewicz

  import scala.reflect.runtime.universe._
  import scala.reflect.ClassTag

  def setField[O: ClassTag, FV](obj: O, fieldName: String, fieldValue: FV)(implicit ev: TypeTag[O]): O = {
    import scala.reflect.api.JavaUniverse
    val ru: JavaUniverse = scala.reflect.runtime.universe //runtime universe
    val runtimeMirror: ru.type#Mirror = ru.runtimeMirror(obj.getClass.getClassLoader)
    val instanceMirror: ru.type#InstanceMirror = runtimeMirror.reflect(obj)
    val fieldTerm: ru.type#TermName = ru.newTermName(fieldName)
    val fieldSymbol: ru.type#TermSymbol = ru.typeOf[O].declaration(fieldTerm).asTerm.accessed.asTerm