Added boost header

test/external/boost/intrusive/link_mode.hpp

@@ -0,0 +1,46 @@
+/////////////////////////////////////////////////////////////////////////////
+//
+// (C) Copyright Ion Gaztanaga  2006-2009
+//
+// 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/intrusive for documentation.
+//
+/////////////////////////////////////////////////////////////////////////////
+
+#ifndef BOOST_INTRUSIVE_VALUE_LINK_TYPE_HPP
+#define BOOST_INTRUSIVE_VALUE_LINK_TYPE_HPP
+
+namespace boost {
+namespace intrusive {
+
+//!This enumeration defines the type of value_traits that can be defined
+//!for Boost.Intrusive containers
+enum link_mode_type{
+   //!If this linking policy is specified in a value_traits class
+   //!as the link_mode, containers
+   //!configured with such value_traits won't set the hooks
+   //!of the erased values to a default state. Containers also won't
+   //!check that the hooks of the new values are default initialized.
+   normal_link,
+
+   //!If this linking policy is specified in a value_traits class
+   //!as the link_mode, containers
+   //!configured with such value_traits will set the hooks
+   //!of the erased values to a default state. Containers also will
+   //!check that the hooks of the new values are default initialized.
+   safe_link,
+
+   //!Same as "safe_link" but the user type is an auto-unlink
+   //!type, so the containers with constant-time size features won't be
+   //!compatible with value_traits configured with this policy.
+   //!Containers also know that the a value can be silently erased from
+   //!the container without using any function provided by the containers.
+   auto_unlink
+};
+} //namespace intrusive 
+} //namespace boost 
+
+#endif //BOOST_INTRUSIVE_VALUE_LINK_TYPE_HPP