1
0
Fork 0
arangodb/3rdParty/boost/1.62.0/libs/context/example/v1/fibonacci.cpp

33 lines
846 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 <memory>
#include <boost/context/all.hpp>
int main() {
int n=35;
boost::context::execution_context sink( boost::context::execution_context::current() );
boost::context::execution_context source(
[n,&sink](void*)mutable{
int a=0;
int b=1;
while(n-->0){
sink(&a);
auto next=a+b;
a=b;
b=next;
}
});
for(int i=0;i<10;++i){
std::cout<<*(int*)source()<<" ";
}
std::cout << "\nmain: done" << std::endl;
return EXIT_SUCCESS;
}