mirror of https://gitee.com/bigwinds/arangodb
39 lines
984 B
C++
39 lines
984 B
C++
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// Copyright Oliver Kowalke 2014.
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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 <cstdlib>
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#include <iostream>
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#include <memory>
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#include <boost/context/all.hpp>
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namespace ctx = boost::context;
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int main() {
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int n=35;
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ctx::execution_context< int > source(
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[n](ctx::execution_context< int > sink, int) mutable {
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int a=0;
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int b=1;
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while(n-->0){
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auto result=sink(a);
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sink=std::move(std::get<0>(result));
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auto next=a+b;
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a=b;
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b=next;
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}
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return sink;
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});
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for(int i=0;i<10;++i){
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auto result=source(i);
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source=std::move(std::get<0>(result));
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std::cout<<std::get<1>(result)<<" ";
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}
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std::cout<<std::endl;
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std::cout << "main: done" << std::endl;
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}
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