Imported existing code

libraries/include/boost/spirit/home/qi/operator/sequence.hpp

@@ -0,0 +1,38 @@
+/*=============================================================================
+    Copyright (c) 2001-2007 Joel de Guzman
+
+    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)
+=============================================================================*/
+#if !defined(SPIRIT_SEQUENCE_APR_22_2006_0811AM)
+#define SPIRIT_SEQUENCE_APR_22_2006_0811AM
+
+#include <boost/spirit/home/qi/operator/sequence_base.hpp>
+#include <boost/spirit/home/qi/detail/fail_function.hpp>
+
+namespace boost { namespace spirit { namespace qi
+{
+    struct sequence : sequence_base<sequence>
+    {
+        friend struct sequence_base<sequence>;
+
+    private:
+
+        template <typename Iterator, typename Context, typename Skipper>
+        static detail::fail_function<Iterator, Context, Skipper>
+        fail_function(
+            Iterator& first, Iterator const& last
+          , Context& context, Skipper const& skipper)
+        {
+            return detail::fail_function<Iterator, Context, Skipper>
+                (first, last, context, skipper);
+        }
+
+        static std::string what_()
+        {
+            return "sequence[";
+        }
+    };
+}}}
+
+#endif