coroutine2/example/fibonacci.cpp
2015-12-22 12:00:25 +01:00

31 lines
866 B
C++

// Copyright Oliver Kowalke 2014.
// 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 <cstdlib>
#include <iostream>
#include <boost/coroutine2/all.hpp>
int main() {
boost::coroutines2::coroutine< int >::pull_type source(
[]( boost::coroutines2::coroutine< int >::push_type & sink) {
int first = 1, second = 1;
sink( first);
sink( second);
for ( int i = 0; i < 8; ++i) {
int third = first + second;
first = second;
second = third;
sink( third);
}
});
for ( auto i : source) {
std::cout << i << " ";
}
std::cout << "\nDone" << std::endl;
return EXIT_SUCCESS;
}