CHANGED TO MIRROR

Assets/Mirror/Runtime/Extensions.cs

@@ -0,0 +1,40 @@
+using System;
+using System.Collections.Generic;
+
+namespace Mirror
+{
+    public static class Extensions
+    {
+        // string.GetHashCode is not guaranteed to be the same on all machines, but
+        // we need one that is the same on all machines. simple and stupid:
+        public static int GetStableHashCode(this string text)
+        {
+            unchecked
+            {
+                int hash = 23;
+                foreach (char c in text)
+                    hash = hash * 31 + c;
+                return hash;
+            }
+        }
+
+        // previously in DotnetCompatibility.cs
+        // leftover from the UNET days. supposedly for windows store?
+        internal static string GetMethodName(this Delegate func)
+        {
+#if NETFX_CORE
+            return func.GetMethodInfo().Name;
+#else
+            return func.Method.Name;
+#endif
+        }
+
+        // helper function to copy to List<T>
+        // C# only provides CopyTo(T[])
+        public static void CopyTo<T>(this IEnumerable<T> source, List<T> destination)
+        {
+            // foreach allocates. use AddRange.
+            destination.AddRange(source);
+        }
+    }
+}