28 lines
564 B
Plaintext
28 lines
564 B
Plaintext
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import java.lang.Object;
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import java.lang.String;
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sealed interface List permits LinkedElem {}
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public record LinkedElem<T>(T a,List l) implements List{} //Implementiert List und wird auch permittet
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public record Elem<T>(T c) implements List{} //Implementiert List, wird aber nicht permittet
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public class SwitchCaseHeritageDetection {
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public main(o) {
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return switch(o) {
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case LinkedElem(a, Elem(e)) -> a ;
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case LinkedElem(a, LinkedElem(e, Elem(f))) -> e;
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default -> null;
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};
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}
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}
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