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

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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

@@ -30,11 +30,14 @@
  *
  * @param <T> the type of input objects to the function
  *
  * @since 1.8
  */
-public interface IntFunction<T> {
+public interface IntFunction<T> extends Function<T,Integer> {
+
+    @Override
+    public default Integer apply(T t) { return applyAsInt(t); }
 
     /**
      * Apply a function to the input object yielding an appropriate {@code int}
      * value.
      *