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23 * questions. |
23 * questions. |
24 */ |
24 */ |
25 package java.util.function; |
25 package java.util.function; |
26 |
26 |
27 /** |
27 /** |
28 * Apply a function to the input object yielding an appropriate {@code long} |
28 * Apply a function to the long-valued input argument, yielding an appropriate |
29 * value; this is the {@code long}-bearing specialization for {@link Function}. |
29 * result. This is the {@code long}-consuming primitive specialization for |
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30 * {@link Function}. |
30 * |
31 * |
31 * @param <T> the type of input objects to the function |
32 * @param <R> the type of output objects from the function |
32 * |
33 * |
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34 * @see Function |
33 * @since 1.8 |
35 * @since 1.8 |
34 */ |
36 */ |
35 @FunctionalInterface |
37 @FunctionalInterface |
36 public interface LongFunction<T> { |
38 public interface LongFunction<R> { |
37 |
39 |
38 /** |
40 /** |
39 * Apply a function to the input object yielding an appropriate {@code long} |
41 * Compute the result of applying the function to the input argument |
40 * value. |
|
41 * |
42 * |
42 * @param t the input object |
43 * @param value the input value |
43 * @return the function result value |
44 * @return the function result |
44 */ |
45 */ |
45 public long applyAsLong(T t); |
46 public R apply(long value); |
46 } |
47 } |