jdk/src/java.base/share/classes/java/util/function/LongToDoubleFunction.java
author mchung
Fri, 22 May 2015 16:43:39 -0700
changeset 30789 9eca83469588
parent 25859 3317bb8137f4
permissions -rw-r--r--
8074431: Remove native2ascii tool Reviewed-by: erikj, alanb, okutsu, mfang, naoto

/*
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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 * particular file as subject to the "Classpath" exception as provided
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 *
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 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
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package java.util.function;

/**
 * Represents a function that accepts a long-valued argument and produces a
 * double-valued result.  This is the {@code long}-to-{@code double} primitive
 * specialization for {@link Function}.
 *
 * <p>This is a <a href="package-summary.html">functional interface</a>
 * whose functional method is {@link #applyAsDouble(long)}.
 *
 * @see Function
 * @since 1.8
 */
@FunctionalInterface
public interface LongToDoubleFunction {

    /**
     * Applies this function to the given argument.
     *
     * @param value the function argument
     * @return the function result
     */
    double applyAsDouble(long value);
}