25 package java.util.function;
  26 
  27 /**
  28  * Apply a function to the input argument, yielding an appropriate result.
  29  * This is the {@code long}-bearing specialization for {@link Function}.
  30  *
  31  * @param <T> the type of input objects to the function
  32  *
  33  * @see Function
  34  * @since 1.8
  35  */
  36 @FunctionalInterface
  37 public interface ToLongFunction<T> {
  38 
  39     /**
  40      * Compute the result of applying the function to the input arguments.
  41      *
  42      * @param t the input object
  43      * @return the function result value
  44      */
  45     public long applyAsLong(T t);
  46 }

  25 package java.util.function;
  26 
  27 /**
  28  * Apply a function to the input argument, yielding an appropriate result.
  29  * This is the {@code long}-bearing specialization for {@link Function}.
  30  *
  31  * @param <T> the type of input objects to the function
  32  *
  33  * @see Function
  34  * @since 1.8
  35  */
  36 @FunctionalInterface
  37 public interface ToLongFunction<T> {
  38 
  39     /**
  40      * Compute the result of applying the function to the input arguments.
  41      *
  42      * @param t the input object
  43      * @return the function result value
  44      */
  45     long applyAsLong(T t);
  46 }