Small reoraganization, cleaning 'use namespace' usages
diff --git a/utils/detail/multi-type-container.h b/utils/detail/multi-type-container.h
new file mode 100644
index 0000000..43a25da
--- /dev/null
+++ b/utils/detail/multi-type-container.h
@@ -0,0 +1,84 @@
+/* -*- Mode: C++; c-file-style: "gnu"; indent-tabs-mode:nil; -*- */
+/*
+ * Copyright (c) 2011 University of California, Los Angeles
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation;
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ * Author: Alexander Afanasyev <alexander.afanasyev@ucla.edu>
+ */
+
+#ifndef MULTI_TYPE_CONTAINER_H_
+#define MULTI_TYPE_CONTAINER_H_
+
+#include <boost/mpl/inherit_linearly.hpp>
+#include <boost/mpl/inherit.hpp>
+#include <boost/mpl/at.hpp>
+
+namespace ndnSIM
+{
+namespace detail
+{
+
+template <class T>
+struct wrap
+{
+ T value_;
+};
+
+template< class Vector >
+struct multi_type_container
+ : public boost::mpl::inherit_linearly< Vector, boost::mpl::inherit<wrap<boost::mpl::_2>, boost::mpl::_1 >
+ >::type
+{
+ template<int N>
+ struct index
+ {
+ typedef typename boost::mpl::at_c<Vector, N>::type type;
+ };
+
+ template<class T>
+ T &
+ get ()
+ {
+ return static_cast< wrap<T> &> (*this).value_;
+ }
+
+ template<class T>
+ const T &
+ get () const
+ {
+ return static_cast< const wrap<T> &> (*this).value_;
+ }
+
+ template<int N>
+ typename boost::mpl::at_c<Vector, N>::type &
+ get ()
+ {
+ typedef typename boost::mpl::at_c<Vector, N>::type T;
+ return static_cast< wrap<T> &> (*this).value_;
+ }
+
+ template<int N>
+ const typename boost::mpl::at_c<Vector, N>::type &
+ get () const
+ {
+ typedef typename boost::mpl::at_c<Vector, N>::type T;
+ return static_cast< const wrap<T> &> (*this).value_;
+ }
+};
+
+} // detail
+} // ndnSIM
+
+#endif // MULTI_TYPE_CONTAINER_H_