import scala.{specialized => spec}
class C1[@spec(Int, AnyRef) A, @spec(Int, AnyRef) B](v:A, w:B)
class C2[@spec(Unit, Boolean, Byte, Char, Short, Int, Long, Float, Double, AnyRef) A, @spec(Unit, Boolean, Byte, Char, Short, Int, Long, Float, Double, AnyRef) B](v:A, w:B)
object Test {
def main(args:Array[String]) {
println(new C1("abc", 123).getClass.getName)
println(new C2[String, Int]("abc", 123).getClass.getName)
}
}