boost/libs/mpl/example/tuple_from_list.cpp
2018-01-12 21:47:58 +01:00

47 lines
924 B
C++

// Copyright Aleksey Gurtovoy 2002-2004
//
// 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)
//
// See http://www.boost.org/libs/mpl for documentation.
// $Id$
// $Date$
// $Revision$
#include <boost/mpl/reverse_fold.hpp>
#include <boost/mpl/list.hpp>
#include <boost/tuple/tuple.hpp>
#include <iostream>
using namespace boost::mpl;
template< typename Types > struct tuple_gen
: reverse_fold<
Types
, boost::tuples::null_type
, boost::tuples::cons<_2,_1>
>
{
};
int main()
{
tuple_gen< list<int,char const*,bool> >::type t;
boost::get<0>(t) = -1;
boost::get<1>(t) = "text";
boost::get<2>(t) = false;
std::cout
<< boost::get<0>(t) << '\n'
<< boost::get<1>(t) << '\n'
<< boost::get<2>(t) << '\n'
;
return 0;
}