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
37
38
39
40
41
42
43
44
|
import java.util.Map;
import org.checkerframework.checker.nullness.qual.Nullable;
public class Issue2031 {
public interface InterfaceA<A> {}
public interface InterfaceB<B> {}
abstract static class OperatorSection<C extends InterfaceA<C> & InterfaceB<C>> {
C makeExpression(Map<String, C> expressions) {
@Nullable C e = expressions.get("");
// :: warning: (known.nonnull)
if (e != null) {
return e;
} else {
throw new RuntimeException("");
}
}
}
static class RecursiveTypes {
public interface A<EXPRESSION> {}
public interface B<EXPRESSION> {}
abstract static class OperatorSection<EXPRESSION extends A<EXPRESSION> & B<EXPRESSION>> {
abstract EXPRESSION makeExpression(Map<String, EXPRESSION> expressions);
}
static class BinaryOperatorSection<EXPRESSION extends A<EXPRESSION> & B<EXPRESSION>>
extends OperatorSection<EXPRESSION> {
@Override
EXPRESSION makeExpression(Map<String, EXPRESSION> expressions) {
@Nullable EXPRESSION e = expressions.get("");
// :: warning: (known.nonnull)
if (e != null) {
return e;
} else {
throw new RuntimeException("");
}
}
}
}
}
|
