1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
|
object OhNoes {
sealed trait F
sealed abstract class FA extends F
sealed abstract class FB extends F
case object FA1 extends FA
case object FB1 extends FB
case object FB2 extends FB
sealed trait G
case object G1 extends G
case object G2 extends G
sealed trait H
case class H1(a: FB, b: G) extends H
case class H2(b: F) extends H
val demo: H => Unit = {
case H1(FB1, G1) =>
case H1(FB2, G2) =>
case H2(_: FB) =>
case H2(_: FA) =>
case H1(FB1, G2) =>
case H1(FB2, G1) =>
}
val demo2: H => Unit = {
case H2(_: FA) =>
case H2(_: FB) =>
case H1(FB1, G1) =>
case H1(FB2, G1) =>
case H1(FB1, G2) =>
case H1(FB2, G2) =>
}
}
|
