0b50b29cb ^
4d1c9e221 ^
1 2
3
4 5 6 7 8 9 10 11
abstract class X[T]{ def go2(x:T)(y:T = x): T = y def go: T def go1(x: T) = x } class Y extends X[Int] { override def go2(x: Int)(z: Int) = 2 override def go = 0 override def go1(x: Int) = x }