1
2// Copyright Oliver Kowalke 2016.
3// Distributed under the Boost Software License, Version 1.0.
4// (See accompanying file LICENSE_1_0.txt or copy at
5// http://www.boost.org/LICENSE_1_0.txt)
6
7#include <cstdlib>
8#include <iostream>
9#include <memory>
10
11#include <boost/context/fiber.hpp>
12
13namespace ctx = boost::context;
14
15int main() {
16 int a;
17 ctx::fiber f{
18 [&a](ctx::fiber && f){
19 a=0;
20 int b=1;
21 for(;;){
22 f = std::move( f).resume();
23 int next=a+b;
24 a=b;
25 b=next;
26 }
27 return std::move( f);
28 }};
29 for ( int j = 0; j < 10; ++j) {
30 f = std::move( f).resume();
31 std::cout << a << " ";
32 }
33 std::cout << std::endl;
34 std::cout << "main: done" << std::endl;
35 return EXIT_SUCCESS;
36}
37

source code of boost/libs/context/example/fiber/fibonacci.cpp