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1 package fj;
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2
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3 import fj.control.parallel.Actor;
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4 import fj.control.parallel.Promise;
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5 import fj.control.parallel.Strategy;
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6 import fj.data.Array;
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7 import fj.data.Either;
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8 import fj.data.IterableW;
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9 import fj.data.List;
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10 import fj.data.NonEmptyList;
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11 import fj.data.Option;
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12 import fj.data.Set;
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13 import fj.data.Stream;
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14 import fj.data.Tree;
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15 import fj.data.TreeZipper;
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16 import fj.data.Validation;
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17 import fj.data.Zipper;
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18
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19 import java.util.ArrayList;
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20 import java.util.LinkedList;
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21 import java.util.PriorityQueue;
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22 import java.util.TreeSet;
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23 import java.util.concurrent.ArrayBlockingQueue;
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24 import java.util.concurrent.ConcurrentLinkedQueue;
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25 import java.util.concurrent.CopyOnWriteArrayList;
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26 import java.util.concurrent.CopyOnWriteArraySet;
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27 import java.util.concurrent.LinkedBlockingQueue;
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28 import java.util.concurrent.PriorityBlockingQueue;
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29 import java.util.concurrent.SynchronousQueue;
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30
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31 import static fj.data.Option.some;
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32 import static fj.data.Stream.iterableStream;
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33 import static fj.data.Zipper.fromStream;
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34
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35 /**
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36 * A transformation or function from <code>A</code> to <code>B</code>. This type can be represented
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37 * using the Java 7 closure syntax.
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38 *
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39 * @version %build.number%
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40 */
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41 public interface F<A, B> {
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42 /**
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43 * Transform <code>A</code> to <code>B</code>.
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44 *
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45 * @param a The <code>A</code> to transform.
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46 * @return The result of the transformation.
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47 */
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48 public abstract B f(A a);
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49
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50 }
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