49 lines
1.4 KiB
C++
49 lines
1.4 KiB
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/bind.hpp>
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#include <boost/foreach.hpp>
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#include <boost/range.hpp>
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void power( boost::coroutines::asymmetric_coroutine< int >::push_type & sink, int number, int exponent)
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{
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int counter = 0;
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int result = 1;
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while ( counter++ < exponent)
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{
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result = result * number;
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sink( result);
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}
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}
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int main()
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{
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{
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std::cout << "using range functions" << std::endl;
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boost::coroutines::asymmetric_coroutine< int >::pull_type source( boost::bind( power, _1, 2, 8) );
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boost::coroutines::asymmetric_coroutine< int >::pull_type::iterator e( boost::end( source) );
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for ( boost::coroutines::asymmetric_coroutine< int >::pull_type::iterator i( boost::begin( source) );
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i != e; ++i)
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std::cout << * i << " ";
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}
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{
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std::cout << "\nusing BOOST_FOREACH" << std::endl;
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boost::coroutines::asymmetric_coroutine< int >::pull_type source( boost::bind( power, _1, 2, 8) );
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BOOST_FOREACH( int i, source)
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{ std::cout << i << " "; }
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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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