add size_t_c

[SVN r15348]

include/boost/mpl/size_t_c.hpp

@@ -0,0 +1,49 @@
+//-----------------------------------------------------------------------------
+// boost mpl/size_t_c.hpp header file
+// See http://www.boost.org for updates, documentation, and revision history.
+//-----------------------------------------------------------------------------
+//
+// Copyright (c) 2000-02
+// Aleksey Gurtovoy
+//
+// Permission to use, copy, modify, distribute and sell this software
+// and its documentation for any purpose is hereby granted without fee, 
+// provided that the above copyright notice appears in all copies and 
+// that both the copyright notice and this permission notice appear in 
+// supporting documentation. No representations are made about the 
+// suitability of this software for any purpose. It is provided "as is" 
+// without express or implied warranty.
+
+#ifndef BOOST_MPL_SIZE_T_C_HPP_INCLUDED
+#define BOOST_MPL_SIZE_T_C_HPP_INCLUDED
+
+#include "boost/mpl/integral_c.hpp"
+#include "boost/config.hpp"
+#include <cstddef> // for std::size_t
+
+namespace boost {
+namespace mpl {
+
+template< std::size_t N > struct size_t_c
+#if !defined(__BORLANDC__)
+    : integral_c< std::size_t,N >
+{
+    typedef size_t_c type;
+};
+#else
+{
+    BOOST_STATIC_CONSTANT(std::size_t, value = N);
+    typedef size_t_c type;
+    typedef std::size_t value_type;
+
+    typedef size_t_c<N + 1> next;
+    typedef size_t_c<N - 1> prior;
+
+    operator std::size_t() const { return this->value; }
+};
+#endif
+
+} // namespace mpl
+} // namespace boost 
+
+#endif // BOOST_MPL_SIZE_T_C_HPP_INCLUDED