44 lines
1017 B
C++
44 lines
1017 B
C++
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// Copyright Oliver Kowalke 2009.
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// Distributed under the Boost Software License, Version 1.0.
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// (See accompanying file LICENSE_1_0.txt or copy at
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// http://www.boost.org/LICENSE_1_0.txt)
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#include <boost/coroutine/all.hpp>
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#include <cstdlib>
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#include <iostream>
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#include <boost/range.hpp>
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void fibonacci( boost::coroutines::asymmetric_coroutine< int >::push_type & sink)
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{
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int first = 1, second = 1;
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sink( first);
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sink( second);
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while ( true)
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{
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int third = first + second;
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first = second;
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second = third;
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sink( third);
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}
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}
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int main()
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{
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boost::coroutines::asymmetric_coroutine< int >::pull_type source( fibonacci);
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boost::range_iterator<
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boost::coroutines::asymmetric_coroutine< int >::pull_type
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>::type it( boost::begin( source) );
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for ( int i = 0; i < 10; ++i)
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{
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std::cout << * it << " ";
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++it;
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}
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std::cout << "\nDone" << std::endl;
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return EXIT_SUCCESS;
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}
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