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package test
class F1() {
private sealed abstract class T
private case class A(m: Int) extends T
private case class B() extends T
private case object C extends T
// No warnings here
private def foo(t: T) = t match {
case A(m) => println("A:" + m)
case B() => println("B")
case C => println("C")
}
def test(m: Int): Unit = {
foo(A(m))
foo(B())
foo(C)
}
}
class F2[M]() {
private sealed abstract class T
private case class A(m: M) extends T
private case class B() extends T
private case object C extends T
// match may not be exhaustive. It would fail on the following input: C
private def foo(t: T) = t match {
case A(m) => println("A:" + m)
case B() => println("B")
case C => println("C")
}
def test(m: M): Unit = {
foo(A(m))
foo(B())
foo(C)
}
}
object Test {
def main(args: Array[String]): Unit = {
new F1().test(1)
new F2[Int]().test(1)
}
}
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