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trait T {
final case class A()
// Was:
// error: scrutinee is incompatible with pattern type;
// found : T.this.A
// required: T#A
def foo(a: T#A) = a match {
case _: A => true; case _ => false
}
}
object Test extends App {
val t1 = new T {}
val t2 = new T {}
val a1 = new t1.A()
val a2 = new t1.A()
assert(t1.foo(a1))
// as noted in the unchecked warning (also tested in the corresponding neg test),
// the outer pointer isn't checked
assert(t1.foo(a2))
}
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