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comparison Util/ArrayUtil.cs @ 84:146a8d224d86

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Added ArrayUtil.Remove, fixed some exceptons
author Ivo Smits <Ivo@UCIS.nl>
date Thu, 05 Jun 2014 00:21:02 +0200
parents 3352f89cf6f5
children ebdff34b9e4f
comparison
equal deleted inserted replaced
83:4ca44dd25a6a 84:146a8d224d86
156 array[index] = item; 156 array[index] = item;
157 return index; 157 return index;
158 } 158 }
159 } 159 }
160 public static int AddUnique<T>(ref T[] array, T item) { 160 public static int AddUnique<T>(ref T[] array, T item) {
161 if (array == null) {
162 array = new T[] { item };
163 return 0;
164 } else {
165 int index = Array.IndexOf(array, item);
166 if (index == -1) index = Add(ref array, item);
167 return index;
168 }
169 }
170 public static Boolean Remove<T>(ref T[] array, T item) {
171 if (array == null) return false;
161 int index = Array.IndexOf(array, item); 172 int index = Array.IndexOf(array, item);
162 if (index == -1) index = Add(ref array, item); 173 if (index == -1) return false;
163 return index; 174 T[] newarray = new T[array.Length - 1];
175 if (index > 0) Array.Copy(array, 0, newarray, 0, index);
176 if (index < array.Length - 1) Array.Copy(array, index + 1, newarray, index, array.Length - index - 1);
177 array = newarray;
178 return true;
164 } 179 }
165 } 180 }
166 } 181 }