add compatible

Author: yanghuan

CSharp.lua/CoreSystem.Lua/CoreSystem/Collections/Dictionary.lua

@@ -158,7 +158,7 @@ local DictionaryEnumerator = define("System.DictionaryEnumerator", {
       return true
     else
       if kind then
-        kind.Key, kind.Value = kind.Key:default(), kind.Value:default()
+        kind.Key, kind.Value = kind.__genericTKey__:default(), kind.__genericTValue__:default()
       elseif kind == false then
         this.current = t.__genericTValue__:default()
       else

CSharp.lua/CoreSystem.Lua/CoreSystem/Collections/EqualityComparer.lua

@@ -17,6 +17,7 @@ limitations under the License.
 local System = System
 local define = System.define
 local throw = System.throw
+local equalsObj = System.equalsObj
 local compareObj = System.compareObj
 local ArgumentException = System.ArgumentException
 local ArgumentNullException = System.ArgumentNullException
@@ -34,13 +35,7 @@ EqualityComparer = define("System.EqualityComparer", function (T)
       end 
     end
   else
-    if T.class == 'S' then
-      equals = T.EqualsObj
-    else
-      equals = function (x, y) 
-        return x:EqualsObj(y) 
-      end
-    end
+    equals = equalsObj
   end
   local defaultComparer
   return {

CSharp.lua/CoreSystem.Lua/CoreSystem/Core.lua

@@ -1041,6 +1041,7 @@ local function compareObj(a, b)
   throw(System.ArgumentException("Argument_ImplementIComparable"))
 end
 
+System.equalsObj = equalsObj
 System.compareObj = compareObj
 
 Object = defCls("System.Object", {