/usr/include/deal.II/base/std_cxx1x/tuple.h is in libdeal.ii-dev 6.3.1-1.1.
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// $Id: tuple.h 18724 2009-04-23 23:06:37Z bangerth $
// Version: $Name$
//
// Copyright (C) 2009 by the deal.II authors
//
// This file is subject to QPL and may not be distributed
// without copyright and license information. Please refer
// to the file deal.II/doc/license.html for the text and
// further information on this license.
//
//---------------------------------------------------------------------------
#ifndef __deal2__std_cxx1x_tuple_h
#define __deal2__std_cxx1x_tuple_h
#include <base/config.h>
#ifdef DEAL_II_CAN_USE_CXX1X
# include <tuple>
#else
#include <boost/tuple/tuple.hpp>
DEAL_II_NAMESPACE_OPEN
namespace std_cxx1x
{
using boost::tuple;
using boost::get;
// boost::tuples::length has been renamed
// by the standard to std::tuple_size
template <typename T>
struct tuple_size
{
static const std::size_t value = boost::tuples::length<T>::value;
};
// similarly, boost::tuples::element has
// been renamed by the standard to
// std::tuple_element
template <int N, typename T>
struct tuple_element
{
typedef typename boost::tuples::element<N,T>::type type;
};
}
DEAL_II_NAMESPACE_CLOSE
#endif
#endif
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