New upstream version 8.1.0

thirdparty/source/boost_1_61_0/boost/tuple/tuple.hpp

@@ -0,0 +1,67 @@
+//  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