initial commit

[SVN r21434]

include/boost/mpl/print.hpp

@@ -0,0 +1,64 @@
+// Copyright David Abrahams 2003. Use, modification and distribution is
+// subject to the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+#ifndef PRINT_DWA20031231_HPP
+# define PRINT_DWA20031231_HPP
+
+#include <boost/mpl/identity.hpp>
+
+namespace boost { namespace mpl
+{
+  
+namespace aux
+{
+#if BOOST_MSVC
+# pragma warning(push, 3)
+// we only want one warning from MSVC, so turn off the other one
+# pragma warning(disable: 4307)
+#elif __MWERKS__
+# pragma warn_hidevirtual on
+   struct print_base { virtual void f() {} };
+#endif
+
+#if __EDG_VERSION__
+  template <class T>
+  struct dependent_unsigned
+  {
+      static const unsigned value = 1;
+  };
+#endif
+}
+
+  
+template <class T>
+struct print
+  :  mpl::identity<T>
+#if __MWERKS__
+    , aux::print_base
+#endif 
+{
+#if BOOST_MSVC
+    enum { n = sizeof(T) + -1 };
+#elif __MWERKS__
+    void f(int);
+#else 
+    enum {
+        n =
+# if __EDG_VERSION__ 
+        aux::dependent_unsigned<T>::value
+# else 
+           sizeof(T)
+# endif 
+           > -1, };
+#endif 
+};
+
+}} // namespace boost::mpl
+
+#if BOOST_MSVC
+# pragma warning(pop)
+#elif __MWERKS__
+# pragma warn_hidevirtual reset
+#endif
+
+#endif // PRINT_DWA20031231_HPP