testdata for IDEA-130547

java/java-tests/testData/codeInsight/daemonCodeAnalyzer/lambda/graphInference/IDEA130547.java

@@ -0,0 +1,40 @@
+import java.util.function.Function;
+abstract class List<T> {
+  private final T head;
+  private final List<T> tail;
+
+  protected List() {
+    this.head = null;
+    this.tail = null;
+  }
+
+  private List(T head, List<T> tail) {
+    this.head = head;
+    this.tail = tail;
+  }
+
+  protected T getHead() {
+    return head;
+  }
+  private static <T> RecCall<Result<T>> firstHelper(final List<T> list, final Function<T, Boolean> f) {
+    return cont(new RecCall.Continue<Result<T>>(firstHelper(list.tail, f)));
+  }
+
+  public static <T> RecCall<T> cont(final RecCall<T> next) {
+    return new RecCall.Continue<T>(next);
+  }
+
+}
+
+
+interface Result<B> {}
+
+interface RecCall<T> {
+  public static class Continue<T> implements RecCall<T> {
+    private final RecCall<T> next;
+
+    public Continue(RecCall<T> next) {
+      this.next = next;
+    }
+  }
+}