Fix CopyInto to allow specification of the destination index

cdhowie · Mar 22, 2013 · 832ad80 · 832ad80
1 parent a076f5a
commit 832ad80
Showing 1 changed file with 7 additions and 4 deletions.
diff --git a/Cdh.Toolkit.Extensions/Enumerable/Extensions.cs b/Cdh.Toolkit.Extensions/Enumerable/Extensions.cs
@@ -55,16 +55,19 @@ public static void Walk<T>(this IEnumerable<T> self)
             using (IEnumerator<T> walker = self.GetEnumerator())
                 while (walker.MoveNext()) ;
         }
-
+        
         public static void CopyInto<T>(this IEnumerable<T> self, IList<T> list)
+        {
+            CopyInto<T>(self, list, 0);
+        }
+
+        public static void CopyInto<T>(this IEnumerable<T> self, IList<T> list, int index)
         {
             Check.ArgumentIsNotNull(self, "self");
             Check.ArgumentIsNotNull(list, "list");
 
-            int i = 0;
-
             foreach (T item in self)
-                list[i++] = item;
+                list[index++] = item;
         }
 
         public static IEnumerable<T> Delimit<T>(this IEnumerable<T> self, T delimiter)