Checks if the future refers to a shared state. The get member function waits (by calling wait ()) until the shared state is ready, then retrieves the value stored in the shared state (if. Unlike std::future, which is only moveable (so only one instance can refer to any particular asynchronous result), std::shared_future.
Ed Sheeran +=÷x Tour — Matt Jones
} above, somelongcomputation will immediately return a. The class template std::future provides a mechanism to access the result of asynchronous operations:
