Simplifying client template instantiations.

deanberris · deanberris · commit 017d0f6f34a7 · 2010-12-07T13:45:57.000+08:00
diff --git a/libs/network/test/http/client_types.hpp b/libs/network/test/http/client_types.hpp
@@ -0,0 +1,44 @@
+#ifndef CLIENT_TYPES_ROOWQCLE
+#define CLIENT_TYPES_ROOWQCLE
+
+// Copyright 2010 Dean Michael Berris.
+// 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)
+
+#include "tag_types.hpp"
+#include <boost/mpl/joint_view.hpp>
+#include <boost/mpl/bind.hpp>
+#include <boost/mpl/transform.hpp>
+#include <boost/mpl/int.hpp>
+
+namespace mpl = boost::mpl ;
+
+template <unsigned major, unsigned minor>
+struct client_adapter {
+    template <class T1>
+    struct apply {
+        typedef boost::network::http::basic_client<T1, major, minor> type;
+    };
+};
+
+typedef
+    mpl::transform<
+        tag_types,
+        client_adapter<1,0>
+    >::type
+    client_1_0;
+
+typedef
+    mpl::transform<
+        tag_types,
+        client_adapter<1,1>
+    >::type
+    client_1_1;
+
+typedef mpl::joint_view<
+    client_1_0
+    , client_1_1
+>::type client_types;
+
+#endif /* CLIENT_TYPES_ROOWQCLE */
