--- a/sources/range.h	Thu Jul 23 00:16:47 2015 +0300
+++ b/sources/range.h	Thu Jul 23 01:52:04 2015 +0300
@@ -31,6 +31,8 @@
 #pragma once
 #include <algorithm>
 #include <memory>
+#include "basics.h"
+BEGIN_ZFC_NAMESPACE
 
 //
 // -------------------------------------------------------------------------------------------------
@@ -146,4 +148,6 @@
 	{
 		return not operator== (other);
 	}
-};
\ No newline at end of file
+};
+
+END_ZFC_NAMESPACE