1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
|
// 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 <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;
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;
std::cout << "main: done" << std::endl;
return EXIT_SUCCESS;
}
|
