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std::future - cppreference. com The class template std::future provides a mechanism to access the result of asynchronous operations: An asynchronous operation (created via std::async, std::packaged_task, or std::promise) can provide a std::future object to the creator of that asynchronous operation The creator of the asynchronous operation can then use a variety of methods to query, wait for, or extract a value from the std
c++ - std::future in simple words? - Stack Overflow In summary: std::future is an object used in multithreaded programming to receive data or an exception from a different thread; it is one end of a single-use, one-way communication channel between two threads, std::promise object being the other end
Does cancelling a Future re-interrupt a thread? - Stack Overflow 1 If a future's task has not already started then cancelling the future will prevent the task from ever starting, regardless of whether true or false was passed to cancel 2 Cancelling an already completed future has no effect However, putting the call to cancel in the finally block makes the implementation slightly easier and more
Cannot build CMake project because Compatibility with CMake lt; 3. 5 has . . . In this case it does work In general, it probably doesn't I'm wondering how this break in backwards compatibility should in general be navigated Perhaps installing a previous version of CMake is the only way that always works? That would mean that each project in the future should specify the CMake version on which it should be built