// Copyright David Abrahams 2004. Use, modification and distribution is

// subject to 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 "node_iterator2.hpp"

#include <string>

#include <memory>

#include <iostream>

#include <algorithm>

#include <boost/mem_fn.hpp>

#include <cassert>

int main()

{

#if defined(BOOST_NO_CXX11_SMART_PTR)

std::auto_ptr<node<int> > nodes(new node<int>(42));

#else

std::unique_ptr<node<int> > nodes(new node<int>(42));

#endif

nodes->append(new node<std::string>(" is greater than "));

nodes->append(new node<int>(13));

// Check interoperability

assert(node_iterator(nodes.get()) == node_const_iterator(nodes.get()));

assert(node_const_iterator(nodes.get()) == node_iterator(nodes.get()));

assert(node_iterator(nodes.get()) != node_const_iterator());

assert(node_const_iterator(nodes.get()) != node_iterator());

std::copy(

node_iterator(nodes.get()), node_iterator()

, std::ostream_iterator<node_base>(std::cout, " ")

);

std::cout << std::endl;

std::for_each(

node_iterator(nodes.get()), node_iterator()

, boost::mem_fn(&node_base::double_me)

);

std::copy(

node_const_iterator(nodes.get()), node_const_iterator()

, std::ostream_iterator<node_base>(std::cout, "/")

);

std::cout << std::endl;

return 0;

}