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

Print this page
rev 6273 : 8004561: Additional functional interfaces, extension methods and name changes
Summary: Adds additional functional interfaces for primitives and "Bi" (two operand). Adds utility extension methods. Includes some name changes for existing functional interfaces per EG decisions.
Reviewed-by: briangoetz


   8  * particular file as subject to the "Classpath" exception as provided
   9  * by Oracle in the LICENSE file that accompanied this code.
  10  *
  11  * This code is distributed in the hope that it will be useful, but WITHOUT
  12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  14  * version 2 for more details (a copy is included in the LICENSE file that
  15  * accompanied this code).
  16  *
  17  * You should have received a copy of the GNU General Public License version
  18  * 2 along with this work; if not, write to the Free Software Foundation,
  19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  20  *
  21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  22  * or visit www.oracle.com if you need additional information or have any
  23  * questions.
  24  */
  25 package java.util.function;
  26 
  27 /**
  28  * Apply a function to the input object yielding an appropriate {@code int}
  29  * value; this is the {@code int}-bearing specialization for {@link Function}.
  30  *
  31  * @param <T> the type of input objects to the function
  32  *
  33  * @since 1.8
  34  */
  35 public interface IntFunction<T> {
  36 
  37     /**
  38      * Apply a function to the input object yielding an appropriate {@code int}
  39      * value.
  40      *
  41      * @param t the input object
  42      * @return the function result value
  43      */
  44     public int applyAsInt(T t);
  45 }


   8  * particular file as subject to the "Classpath" exception as provided
   9  * by Oracle in the LICENSE file that accompanied this code.
  10  *
  11  * This code is distributed in the hope that it will be useful, but WITHOUT
  12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  14  * version 2 for more details (a copy is included in the LICENSE file that
  15  * accompanied this code).
  16  *
  17  * You should have received a copy of the GNU General Public License version
  18  * 2 along with this work; if not, write to the Free Software Foundation,
  19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  20  *
  21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  22  * or visit www.oracle.com if you need additional information or have any
  23  * questions.
  24  */
  25 package java.util.function;
  26 
  27 /**
  28  * Apply a function to an input object yielding an {@code int} value; this is
  29  * the {@code int}-bearing specialization for {@link Function}.
  30  *
  31  * @param <T> the type of input objects to the function
  32  *
  33  * @since 1.8
  34  */
  35 public interface IntFunction<T> {
  36 
  37     /**
  38      * Apply a function to the input object yielding an appropriate {@code int}
  39      * value.
  40      *
  41      * @param t the input object
  42      * @return the function result value
  43      */
  44     public int applyAsInt(T t);
  45 }