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- // 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 <boost/coroutine/all.hpp>
- #include <cstdlib>
- #include <iostream>
- #include <boost/range.hpp>
- void fibonacci( boost::coroutines::asymmetric_coroutine< int >::push_type & sink)
- {
- int first = 1, second = 1;
- sink( first);
- sink( second);
- while ( true)
- {
- int third = first + second;
- first = second;
- second = third;
- sink( third);
- }
- }
- int main()
- {
- boost::coroutines::asymmetric_coroutine< int >::pull_type source( fibonacci);
- boost::range_iterator<
- boost::coroutines::asymmetric_coroutine< int >::pull_type
- >::type it( boost::begin( source) );
- for ( int i = 0; i < 10; ++i)
- {
- std::cout << * it << " ";
- ++it;
- }
- std::cout << "\nDone" << std::endl;
- return EXIT_SUCCESS;
- }
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