diff --git a/fluent++/Continuable.h b/fluent++/Continuable.h
index 3a9b77a..a66af42 100644
--- a/fluent++/Continuable.h
+++ b/fluent++/Continuable.h
@@ -18,6 +18,27 @@
 #ifndef _CONTINUABLE_H_
 #define _CONTINUABLE_H_
 
+#include "Callback.h"
 
+template <typename _MTy>
+class ContinuableBase
+{
+
+};
+
+template <typename _ATy, typename _WTy = void>
+class Continuable;
+
+template <typename... _ATy>
+class Continuable<Callback<_ATy...>, void>
+{
+
+};
+
+template <typename... _ATy, typename _WTy>
+class Continuable<Callback<_ATy...>, _WTy>
+{
+    static_assert(false, "");
+};
 
 #endif /// _CONTINUABLE_H_
diff --git a/fluent++/fluent++.hpp b/fluent++/fluent++.hpp
index c64e4a7..5fc82c2 100644
--- a/fluent++/fluent++.hpp
+++ b/fluent++/fluent++.hpp
@@ -63,23 +63,23 @@ fluent_step make_waterfall()
 }
 
 
-struct Continueable
+struct ProtoContinueable
 {
     template <typename Callback>
-    Continueable then(Callback&& callback)
+    ProtoContinueable then(Callback&& callback)
     {
-        return Continueable();
+        return ProtoContinueable();
     }
 
     template <typename Container>
-    Continueable weak(Container& container)
+    ProtoContinueable weak(Container& container)
     {
-        return Continueable();
+        return ProtoContinueable();
     }
 
-    Continueable strong()
+    ProtoContinueable strong()
     {
-        return Continueable();
+        return ProtoContinueable();
     }
 };
 
diff --git a/test.cpp b/test.cpp
index be817fb..72a4af3 100644
--- a/test.cpp
+++ b/test.cpp
@@ -3,24 +3,25 @@
 
 #include "Callback.h"
 #include "WeakCallbackContainer.h"
+#include "Continuable.h"
 
 #include <iostream>
 #include <exception>
 
-Continueable CastSpell(int id)
+ProtoContinueable CastSpell(int id)
 {
     std::cout << "Cast " << id << std::endl;
 
     // on success call true
-    return Continueable();
+    return ProtoContinueable();
 }
 
-Continueable MoveTo(int point)
+ProtoContinueable MoveTo(int point)
 {
     std::cout << "Move to point " << point << std::endl;
 
     // on success call true
-    return Continueable();
+    return ProtoContinueable();
 }
 
 void CastSpell(int id, Callback<bool> const& callback)
@@ -146,5 +147,8 @@ int main(int argc, char** argv)
     wrapped();
     wrapped2();
 
+
+    typedef Continuable<Callback<bool>> cont;
+
     return 0;
 }