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/*=============================================================================
Copyright (c) 2001-2011 Joel de Guzman
Copyright (c) 2005 Eric Niebler
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)
==============================================================================*/
#include <string>
#include <boost/detail/lightweight_test.hpp>
#include <boost/fusion/container/list/cons.hpp>
#include <boost/fusion/container/generation/make_cons.hpp>
#include <boost/fusion/container/generation/cons_tie.hpp>
#include <boost/fusion/container/vector/vector.hpp>
#include <boost/fusion/container/generation/make_vector.hpp>
#include <boost/fusion/sequence/comparison/equal_to.hpp>
#include <boost/lambda/lambda.hpp>
#include <boost/fusion/algorithm/iteration/for_each.hpp>
#include <boost/fusion/algorithm/transformation/filter_if.hpp>
#include <boost/fusion/algorithm/transformation/push_front.hpp>
#include <boost/fusion/sequence/io/out.hpp>
#include <boost/type_traits/is_same.hpp>
#include <boost/mpl/lambda.hpp>
int
main()
{
using namespace boost::fusion;
using boost::is_same;
namespace fusion = boost::fusion;
std::cout << tuple_open('[');
std::cout << tuple_close(']');
std::cout << tuple_delimiter(", ");
/// Testing cons
{
std::string hello("hello");
cons<int, cons<std::string> > ns =
make_cons(1, make_cons(hello));
BOOST_TEST((*begin(ns) == 1));
BOOST_TEST((*fusion::next(begin(ns)) == hello));
*begin(ns) += 1;
*fusion::next(begin(ns)) += ' ';
BOOST_TEST((*begin(ns) == 2));
BOOST_TEST((*fusion::next(begin(ns)) == hello + ' '));
for_each(ns, boost::lambda::_1 += ' ');
BOOST_TEST((*begin(ns) == 2 + ' '));
BOOST_TEST((*fusion::next(begin(ns)) == hello + ' ' + ' '));
}
{
BOOST_TEST(
make_cons("hello") == make_vector(std::string("hello"))
);
BOOST_TEST(
make_cons(123, make_cons("hello")) ==
make_vector(123, std::string("hello"))
);
}
{
vector<int, float> t(1, 1.1f);
cons<int, cons<float> > nf =
make_cons(1, make_cons(1.1f));
BOOST_TEST((t == nf));
BOOST_TEST((vector<int>(1) == filter_if<is_same<boost::mpl::_, int> >(nf)));
std::cout << nf << std::endl;
std::cout << filter_if<is_same<boost::mpl::_, int> >(nf) << std::endl;
}
{
int i = 3;
cons<int&> tie(cons_tie(i));
BOOST_TEST((*begin(tie) == 3));
}
{
// This used to trigger a hard compilation error:
cons<cons<int> > xs;
begin(push_front(xs, 3));
}
return boost::report_errors();
}
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