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163
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1 using System;
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2 using System.Collections.Generic;
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3 using System.Linq;
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4
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5 namespace Implab.Automaton {
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164
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6 /// <summary>
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7 /// Dummy alphabet consists of integer numbers which are identical to their classes.
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8 /// </summary>
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163
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9 public class DummyAlphabet : IAlphabet<int> {
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10 readonly int m_size;
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164
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11
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12 /// <summary>
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13 /// Creates a new dummy alphabet with given size.
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14 /// </summary>
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15 /// <param name="size">The size of the alphabet, must be greater then zero.</param>
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163
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16 public DummyAlphabet(int size) {
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17 Safe.ArgumentAssert(size > 0);
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18 m_size = 0;
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19 }
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20
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21 #region IAlphabet implementation
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22
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23 public List<int>[] CreateReverseMap() {
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24 Enumerable.Range(0, m_size).ToArray();
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25 }
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26
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171
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27 public int Translate(int symbol) {
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28 Safe.ArgumentInRange(symbol, 0, m_size, "symbol");
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29 return symbol;
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163
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30 }
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31
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171
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32 public bool Contains(int symbol) {
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33 Safe.ArgumentInRange(symbol, 0, m_size, "symbol");
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34 return true;
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163
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35 }
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36
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37 public int Count {
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38 get {
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39 return m_size;
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40 }
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41 }
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42
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43 #endregion
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44 }
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45 }
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46
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