65             boost::packaged_task<int()> example(int_no_params);  in main()  local
66             boost::future<int> f = example.get_future();  in main()
67             boost::thread task(boost::move(example));  in main()
77             boost::packaged_task<std::string()> example(string_no_params);  in main()  local
78             boost::future<std::string> f = example.get_future();  in main()
79             boost::thread task(boost::move(example));  in main()
92             boost::packaged_task<std::string(std::string&)> example(string_with_params);  in main()  local
93             boost::future<std::string> f = example.get_future();  in main()
94             example(ans);  in main()
112             boost::packaged_task<std::string(std::string&)> example(string_with_params);  in main()  local
113             boost::future<std::string> f = example.get_future();  in main()
114             boost::thread task(boost::move(example), boost::ref(ans));  in main()
125             boost::packaged_task<std::string(std::string&)> example  in main()
127             boost::future<std::string> f = example.get_future();  in main()
128             boost::thread task(boost::move(example), boost::ref(ans));  in main()
143 …boost::shared_ptr<task_t> example = boost::make_shared<task_t>(boost::bind(&string_with_params, bo…  in main()  local
144             boost::future<std::string> f = example->get_future();  in main()
145             boost::thread task(boost::bind(&task_t::operator(), example));  in main()
168 …boost::shared_ptr<task_t> example = boost::make_shared<task_t>(boost::bind(&string_with_params, an…  in main()  local
169             boost::future<std::string> f = example->get_future();  in main()
170             io_service.post(boost::bind(&task_t::operator(), example));  in main()