Files
coroutine/example/same_fringe.cpp
Oliver Kowalke 3d578a9525 coroutine: initial commit
[SVN r81511]
2012-11-24 19:42:09 +00:00

82 lines
2.2 KiB
C++

// Copyright Oliver Kowalke 2009.
// 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 <cstddef>
#include <cstdlib>
#include <iostream>
#include <string>
#include <utility>
#include <boost/bind.hpp>
#include <boost/range.hpp>
#include "tree.h"
bool match_trees( coro_t & c1, coro_t & c2)
{
typedef boost::range_iterator< coro_t >::type iterator_t;
iterator_t i1( boost::begin( c1) );
iterator_t e1( boost::end( c1) );
iterator_t i2( boost::begin( c2) );
return std::equal( i1, e1, i2);
}
std::pair< node::ptr_t, node::ptr_t > create_eq_trees()
{
branch::ptr_t tree1 = branch::create(
leaf::create( "A"),
branch::create(
leaf::create( "B"),
leaf::create( "C") ) );
branch::ptr_t tree2 = branch::create(
branch::create(
leaf::create( "A"),
leaf::create( "B") ),
leaf::create( "C") );
return std::make_pair( tree1, tree2);
}
std::pair< node::ptr_t, node::ptr_t > create_diff_trees()
{
branch::ptr_t tree1 = branch::create(
leaf::create( "A"),
branch::create(
leaf::create( "B"),
leaf::create( "C") ) );
branch::ptr_t tree2 = branch::create(
branch::create(
leaf::create( "A"),
leaf::create( "X") ),
leaf::create( "C") );
return std::make_pair( tree1, tree2);
}
int main()
{
{
std::pair< node::ptr_t, node::ptr_t > pt = create_eq_trees();
coro_t te1( boost::bind( enumerate_leafs, _1, pt.first) );
coro_t te2( boost::bind( enumerate_leafs, _1, pt.second) );
bool result = match_trees( te1, te2);
std::cout << std::boolalpha << "eq. trees matched == " << result << std::endl;
}
{
std::pair< node::ptr_t, node::ptr_t > pt = create_diff_trees();
coro_t te1( boost::bind( enumerate_leafs, _1, pt.first) );
coro_t te2( boost::bind( enumerate_leafs, _1, pt.second) );
bool result = match_trees( te1, te2);
std::cout << std::boolalpha << "diff. trees matched == " << result << std::endl;
}
std::cout << "Done" << std::endl;
return EXIT_SUCCESS;
}