diff --git a/test/std.cpp b/test/std.cpp
index 1cce1d2..f4db419 100755
--- a/test/std.cpp
+++ b/test/std.cpp
@@ -22,6 +22,11 @@
 
 using namespace std;
 
+// This is temporary -- to check cw (remove later)
+
+typedef std::binary_negate< int > type1; 
+typedef std::binder1st< int > type2; 
+
 // STL containers
 
 BOOST_STATIC_ASSERT(boost::type_of::test<string>::value);