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// Copyright Oliver Kowalke 2016.
// 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 <tuple>
#include <boost/context/continuation.hpp>
namespace ctx = boost::context;
ctx::continuation f1( ctx::continuation && c) {
std::cout << "f1: entered first time" << std::endl;
c = c.resume();
std::cout << "f1: entered second time" << std::endl;
c = c.resume();
std::cout << "f1: entered third time" << std::endl;
return std::move( c);
}
ctx::continuation f2( ctx::continuation && c) {
std::cout << "f2: entered" << std::endl;
return std::move( c);
}
int main() {
ctx::continuation c = ctx::callcc( f1);
std::cout << "f1: returned first time" << std::endl;
c = c.resume();
std::cout << "f1: returned second time" << std::endl;
c = c.resume_with( f2);
std::cout << "f1: returned third time" << std::endl;
std::cout << "main: done" << std::endl;
return EXIT_SUCCESS;
}
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