diff --git a/a8/xobject.h b/a8/xobject.h
index a4f308d..566b35e 100644
--- a/a8/xobject.h
+++ b/a8/xobject.h
@@ -27,6 +27,9 @@ namespace a8
         ~XObject();
 
         unsigned char GetType();
+        bool IsSimple() { return GetType() == XOT_SIMPLE; };
+        bool IsArray() { return GetType() == XOT_ARRAY; };
+        bool IsObject() { return GetType() == XOT_OBJECT; };
         int Size();
         void Reset();
         void DeepCopy(a8::XObject& to);