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

*** 30,40 ****
   *
   * @param <T> the type of operand to {@code operate} and of the result
   *
   * @since 1.8
   */
! public interface UnaryOperator<T> {
  
      /**
       * Returns the result of the operation upon the operand.
       *
       * @param operand the operand
--- 30,43 ----
   *
   * @param <T> the type of operand to {@code operate} and of the result
   *
   * @since 1.8
   */
! public interface UnaryOperator<T> extends Function<T, T> {
! 
!     @Override
!     public default T apply(T operand) { return operate(operand); }
  
      /**
       * Returns the result of the operation upon the operand.
       *
       * @param operand the operand