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1 | |
2 | // Copyright Oliver Kowalke 2014. | |
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 | ||
10 | #include <boost/context/all.hpp> | |
11 | ||
12 | namespace ctx = boost::context; | |
13 | ||
14 | ctx::execution_context< int > f1( ctx::execution_context< int > ctxm, int data) { | |
15 | std::cout << "f1: entered first time: " << data << std::endl; | |
16 | std::tie( ctxm, data) = ctxm( data + 2); | |
17 | std::cout << "f1: entered second time: " << data << std::endl; | |
18 | return ctxm; | |
19 | } | |
20 | ||
21 | int main() { | |
22 | int data = 1; | |
23 | ctx::execution_context< int > ctx1( f1); | |
24 | std::tie( ctx1, data) = ctx1( data + 2); | |
25 | std::cout << "f1: returned first time: " << data << std::endl; | |
26 | std::tie( ctx1, data) = ctx1( data + 2); | |
27 | std::cout << "f1: returned second time: " << data << std::endl; | |
28 | ||
29 | std::cout << "main: done" << std::endl; | |
30 | ||
31 | return EXIT_SUCCESS; | |
32 | } |