src/share/classes/java/util/function/IntUnaryOperator.java

rev 6137 : 8004015: Add Extends and deaults for basic functional interface types
Summary: Adds the appropriate extends and default methods for  core functional interfaces used by the JSR335 libraries.
Reviewed-by: duke

@@ -27,11 +27,16 @@
 /**
  * An operation on a single {@code int} operand yielding an {@code int} result.
  *
  * @since 1.8
  */
-public interface IntUnaryOperator {
+public interface IntUnaryOperator extends UnaryOperator<Integer> {
+
+    @Override
+    public default Integer operate(Integer operand) {
+        return operateAsInt((int) operand);
+    }
 
     /**
      * Returns the {@code int} result of the operation upon the {@code int}
      * operand.
      *