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25 package java.util.function;
26 
27 /**
28  * Represents a function that produces an int-valued result.  This is the
29  * {@code int}-producing primitive specialization for {@link Function}.
30  *
31  * <p>This is a <a href="package-summary.html">functional interface</a>
32  * whose functional method is {@link #applyAsInt(Object)}.
33  *
34  * @param <T> the type of the input to the function
35  *
36  * @see Function
37  * @since 1.8
38  */
39 @FunctionalInterface
40 public interface ToIntFunction<T> {
41 
42     /**
43      * Applies this function to the given argument.
44      *
45      * @param value the function argument
46      * @return the function result
47      */
applyAsInt(T value)48     int applyAsInt(T value);
49 }
50