add mpl::char_ and mpl::string, fixes #2905

[SVN r52208]

test/char.cpp

@@ -0,0 +1,24 @@
+
+// Copyright Eric Niebler 2008
+//
+// Distributed under 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)
+//
+// See http://www.boost.org/libs/mpl for documentation.
+
+// $Id: char.cpp 49240 2009-04-01 09:21:07Z eric_niebler $
+// $Date: 2009-04-01 02:21:07 -0700 (Wed, 1 Apr 2009) $
+// $Revision: 49240 $
+
+#include <boost/mpl/char.hpp>
+#include <boost/preprocessor/repeat.hpp>
+
+#include "integral_wrapper_test.hpp"
+
+
+MPL_TEST_CASE()
+{
+#   define WRAPPER(T, i) char_<i>
+    BOOST_PP_REPEAT(10, INTEGRAL_WRAPPER_TEST, char)
+}