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1 /* |
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2 * Copyright (c) 2012, 2013, Oracle and/or its affiliates. All rights reserved. |
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3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
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4 * |
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5 * This code is free software; you can redistribute it and/or modify it |
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6 * under the terms of the GNU General Public License version 2 only, as |
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7 * published by the Free Software Foundation. Oracle designates this |
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8 * particular file as subject to the "Classpath" exception as provided |
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9 * by Oracle in the LICENSE file that accompanied this code. |
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10 * |
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11 * This code is distributed in the hope that it will be useful, but WITHOUT |
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12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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14 * version 2 for more details (a copy is included in the LICENSE file that |
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15 * accompanied this code). |
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16 * |
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17 * You should have received a copy of the GNU General Public License version |
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18 * 2 along with this work; if not, write to the Free Software Foundation, |
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19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
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20 * |
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21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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22 * or visit www.oracle.com if you need additional information or have any |
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23 * questions. |
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24 */ |
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25 package java.util.function; |
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26 |
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27 /** |
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28 * Represents a function that accepts an int-valued argument and produces a |
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29 * double-valued result. This is the {@code int}-to-{@code double} primitive |
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30 * specialization for {@link Function}. |
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31 * |
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32 * <p>This is a <a href="package-summary.html">functional interface</a> |
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33 * whose functional method is {@link #applyAsDouble(int)}. |
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34 * |
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35 * @see Function |
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36 * @since 1.8 |
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37 */ |
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38 @FunctionalInterface |
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39 public interface IntToDoubleFunction { |
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40 |
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41 /** |
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42 * Applies this function to the given argument. |
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43 * |
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44 * @param value the function argument |
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45 * @return the function result |
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46 */ |
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47 double applyAsDouble(int value); |
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48 } |