Squashed 'third_party/boostorg/tuple/' content from commit fb55aa6
Change-Id: I7b2b942d5d0a30df2c80bcb90e9bd79a86a0acdc
git-subtree-dir: third_party/boostorg/tuple
git-subtree-split: fb55aa6d4d5e6917f55dbd7aee58afde97879b85
diff --git a/include/boost/tuple/tuple.hpp b/include/boost/tuple/tuple.hpp
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+// tuple.hpp - Boost Tuple Library --------------------------------------
+
+// Copyright (C) 1999, 2000 Jaakko Jarvi (jaakko.jarvi@cs.utu.fi)
+//
+// 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)
+
+// For more information, see http://www.boost.org
+
+// -----------------------------------------------------------------
+
+#ifndef BOOST_TUPLE_HPP
+#define BOOST_TUPLE_HPP
+
+#if defined(__sgi) && defined(_COMPILER_VERSION) && _COMPILER_VERSION <= 730
+// Work around a compiler bug.
+// boost::python::tuple has to be seen by the compiler before the
+// boost::tuple class template.
+namespace boost { namespace python { class tuple; }}
+#endif
+
+#include <boost/config.hpp>
+#include <boost/static_assert.hpp>
+
+// other compilers
+#include <boost/ref.hpp>
+#include <boost/tuple/detail/tuple_basic.hpp>
+
+
+namespace boost {
+
+using tuples::tuple;
+using tuples::make_tuple;
+using tuples::tie;
+#if !defined(BOOST_NO_USING_TEMPLATE)
+using tuples::get;
+#else
+//
+// The "using tuples::get" statement causes the
+// Borland compiler to ICE, use forwarding
+// functions instead:
+//
+template<int N, class HT, class TT>
+inline typename tuples::access_traits<
+ typename tuples::element<N, tuples::cons<HT, TT> >::type
+ >::non_const_type
+get(tuples::cons<HT, TT>& c) {
+ return tuples::get<N,HT,TT>(c);
+}
+// get function for const cons-lists, returns a const reference to
+// the element. If the element is a reference, returns the reference
+// as such (that is, can return a non-const reference)
+template<int N, class HT, class TT>
+inline typename tuples::access_traits<
+ typename tuples::element<N, tuples::cons<HT, TT> >::type
+ >::const_type
+get(const tuples::cons<HT, TT>& c) {
+ return tuples::get<N,HT,TT>(c);
+}
+
+#endif // BOOST_NO_USING_TEMPLATE
+
+} // end namespace boost
+
+
+#endif // BOOST_TUPLE_HPP