Squashed 'third_party/boostorg/range/' content from commit 4cfd4d8

Change-Id: I641c49f21039952b16f888223a952503e43a28a9
git-subtree-dir: third_party/boostorg/range
git-subtree-split: 4cfd4d8287ca949d7f29256adf3e796a0d1775ec
diff --git a/include/boost/range/detail/combine_cxx11.hpp b/include/boost/range/detail/combine_cxx11.hpp
new file mode 100644
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+++ b/include/boost/range/detail/combine_cxx11.hpp
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+//  Copyright Neil Groves 2014. Use, modification and
+//  distribution is subject to 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)
+//
+//
+// For more information, see http://www.boost.org/libs/range/
+//
+#ifndef BOOST_RANGE_DETAIL_COMBINE_CXX11_HPP
+#define BOOST_RANGE_DETAIL_COMBINE_CXX11_HPP
+
+#include <boost/range/iterator_range_core.hpp>
+#include <boost/range/iterator.hpp>
+#include <boost/range/begin.hpp>
+#include <boost/range/end.hpp>
+#include <boost/iterator/zip_iterator.hpp>
+
+#include <fstream>
+
+namespace boost
+{
+    namespace range
+    {
+
+template<typename... Ranges>
+auto combine(Ranges&&... rngs) ->
+    combined_range<decltype(boost::make_tuple(boost::begin(rngs)...))>
+{
+    return combined_range<decltype(boost::make_tuple(boost::begin(rngs)...))>(
+                boost::make_tuple(boost::begin(rngs)...),
+                boost::make_tuple(boost::end(rngs)...));
+}
+
+    } // namespace range
+
+using range::combine;
+
+} // namespace boost
+
+#endif // include guard