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import scala.reflect.runtime.universe._
import scala.reflect.ClassTag
class Foo{
import Test._
def foo = {
val expectedType = implicitly[TypeTag[R]]
val classTag = implicitly[ClassTag[R]]
val cl = classTag.runtimeClass.getClassLoader
val cm = runtimeMirror(cl)
val constructor = expectedType.tpe.member( termNames.CONSTRUCTOR ).asMethod
val sig = constructor.info
val sym = cm.classSymbol( classTag.runtimeClass )
try {
val cls = cm.reflect( this ).reflectClass( sym )
cls.reflectConstructor( constructor )( 5,"test" ).asInstanceOf[R]
println("this indicates a failure")
} catch {
case ex: Throwable =>
println(ex.getMessage)
}
}
}
object Test extends App{
case class R(
sales : Int,
name : String
)
val foo = new Foo
println( foo.foo )
}
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