添加transport库

LocalPackages/com.nimin.lowlevel/Runtime/LowLevelUtility.cs

@@ -2,11 +2,21 @@ using Unity.Collections.LowLevel.Unsafe;
 
 namespace GameCore.LowLevel
 {
-    public static class StructUtility
+    public static class LowLevelUtility
     {
+        public static int HashCombine(int h1, int h2)
+        {
+            var hash = h1;
+            hash = (hash * 397) ^ h2;
+            return hash;
+        }
+
+        public static int HashCombine(int h1, int h2, int h3)
+        {
+            return HashCombine(HashCombine(h1, h2), h3);
+        }
+
         public static int OffsetOf<T, F>()
-            where T : struct
-            where F : struct
         {
             var fields = typeof(T).GetFields();
             foreach (var f in fields)