diff --git a/example/tuple_from_list.cpp b/example/tuple_from_list.cpp new file mode 100644 index 0000000..4dde714 --- /dev/null +++ b/example/tuple_from_list.cpp @@ -0,0 +1,50 @@ +//----------------------------------------------------------------------------- +// boost mpl/example/tuple_from_list.cpp source file +// See http://www.boost.org for updates, documentation, and revision history. +//----------------------------------------------------------------------------- +// +// Copyright (c) 2002 +// Aleksey Gurtovoy +// +// Permission to use, copy, modify, distribute and sell this software +// and its documentation for any purpose is hereby granted without fee, +// provided that the above copyright notice appears in all copies and +// that both the copyright notice and this permission notice appear in +// supporting documentation. No representations are made about the +// suitability of this software for any purpose. It is provided "as is" +// without express or implied warranty. + +#include "boost/mpl/fold_backward.hpp" +#include "boost/mpl/list.hpp" +#include "boost/mpl/assert_is_same.hpp" +#include "boost/tuple/tuple.hpp" + +#include + +using namespace boost::mpl; + +template< typename Types > struct tuple_gen + : fold_backward< + Types + , boost::tuples::null_type + , boost::tuples::cons<_2,_1> + > +{ +}; + +int main() +{ + tuple_gen< list >::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; +}