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public aspect RecordPatternsPreview1ExhaustivenessAspect {
static Pair<I> p2 = new Pair<>(new C(), new D());
public static void main(String[] args) {
doSomething(p2);
}
public static void doSomething(Pair<I> pair) {
System.out.println(pair.toString().replaceAll("@[0-9a-f]+", "@000"));
}
before(Pair<I> pair) : execution(* doSomething(Pair)) && args(pair) {
switch (pair) {
case Pair<I>(I i, C c) -> System.out.println("x");
case Pair<I>(I i, D d) -> System.out.println("y");
// Fixed since Java 21, see features1921/java21/RecordPatternsPreview1ExhaustivenessAspect.aj.
default -> System.out.println("z");
}
switch (pair) {
case Pair<I>(C c, I i) -> System.out.println("a");
case Pair<I>(D d, C c) -> System.out.println("b");
case Pair<I>(D d1, D d2) -> System.out.println("c");
// Fixed since Java 21, see features1921/java21/RecordPatternsPreview1ExhaustivenessAspect.aj.
default -> System.out.println("d");
}
}
}
sealed interface I permits C, D { }
final class C implements I { }
final class D implements I { }
record Pair<T>(T x, T y) { }
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