clang couldnt compile without this

Author: hamidr

common.hpp

@@ -1,18 +1,18 @@
 #ifndef COMMON_HPP
 #define COMMON_HPP
 
-namespace AI 
-{
+#include <iostream>
+#include <tuple>
 
-namespace Private
-{
+using std::cout;
+using std::endl;
+using std::get;
+using std::tuple;
+using std::ostream;
 
-template <typename T>
-struct NodePtrCompare : std::less<T>
+
+namespace AI 
 {
-     bool operator()(const T &lhs, const T &rhs) const 
-    { return lhs->getState() < rhs->getState(); }
-};
 
 template<typename T, int I>
 struct TuplePrint
@@ -66,6 +66,18 @@ void showRoute(const R & node )
     cout << endl;
 }
 
+
+namespace Private
+{
+
+template <typename T>
+struct NodePtrCompare : std::less<T>
+{
+     bool operator()(const T &lhs, const T &rhs) const 
+    { return lhs->getState() < rhs->getState(); }
+};
+
+
 } // endnamespace Private
 
 } // endnamespace AI