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
45
46
47
48
49
|
package inference.guava;
import java.util.Comparator;
import java.util.List;
import java.util.stream.Collector;
@SuppressWarnings("") // Just check for crashes.
public class Bug10 {
public static <T> Collector<T, ?, List<T>> least(int k, Comparator<? super T> comparator) {
return Collector.of(
() -> TopKSelector.<T>least(k, comparator),
TopKSelector::offer,
TopKSelector::combine,
TopKSelector::topK,
Collector.Characteristics.UNORDERED);
}
static final class TopKSelector<T> {
TopKSelector<T> combine(TopKSelector<T> other) {
throw new RuntimeException();
}
public static <T extends Comparable<? super T>> TopKSelector<T> least(int k) {
throw new RuntimeException();
}
public static <T extends Comparable<? super T>> TopKSelector<T> greatest(int k) {
throw new RuntimeException();
}
public static <T> TopKSelector<T> least(int k, Comparator<? super T> comparator) {
return new TopKSelector<T>(comparator, k);
}
public static <T> TopKSelector<T> greatest(int k, Comparator<? super T> comparator) {
throw new RuntimeException();
}
private TopKSelector(Comparator<? super T> comparator, int k) {}
public void offer(T elem) {
throw new RuntimeException();
}
public List<T> topK() {
throw new RuntimeException();
}
}
}
|
