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24 */ |
24 */ |
25 package java.util.function; |
25 package java.util.function; |
26 |
26 |
27 /** |
27 /** |
28 * An operation upon a single operand yielding a result. The operand and the |
28 * An operation upon a single operand yielding a result. The operand and the |
29 * result are of the same type. |
29 * result are of the same type. This is a specialization of {@code Function} for |
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30 * the case where the operand and result are of the same type. |
30 * |
31 * |
31 * @param <T> the type of operand to {@code operate} and of the result |
32 * @param <T> the type of operand to {@code apply} and of the result |
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 UnaryOperator<T> { |
38 public interface UnaryOperator<T> extends Function<T, T> { |
37 |
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38 /** |
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39 * Returns the result of the operation upon the operand. |
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40 * |
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41 * @param operand the operand |
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42 * @return the operation result |
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43 */ |
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44 public T operate(T operand); |
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45 } |
39 } |