blob: 65c5c26b428d06cb4e366fd2f6b6b6134c3fcf36 (
plain) (
tree)
|
|
import scala.reflect.runtime.universe._
abstract class C {
val xAbs: Int
val x: Int = 2
def yAbs: Int
def y: Int = 2
type TAbs <: Int
type T = Int
}
trait T {
val zAbs: Int
val z: Int = 2
def wAbs: Int
def w: Int = 2
type UAbs <: Int
type U = Int
}
class AllConcrete extends C {
val xAbs = 3
def yAbs = 3
}
object M
object Test extends App {
println("Testing Symbol.isAbstract...")
def test[T: TypeTag] = {
val sym = typeOf[T].typeSymbol
println(s"=======$sym=======")
def printAbstract(sym: Symbol) = println(s"$sym => ${if (sym.isAbstract) "abstract" else "concrete"}")
printAbstract(sym)
sym.info.decls.sorted.foreach(printAbstract)
}
test[C]
test[T]
test[AllConcrete]
test[M.type]
}
|