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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
What is __future__ in Python used for and how when to use it, and how . . . A future statement is a directive to the compiler that a particular module should be compiled using syntax or semantics that will be available in a specified future release of Python The future statement is intended to ease migration to future versions of Python that introduce incompatible changes to the language
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 –
std::shared_future - cppreference. com Unlike std::future, which is only moveable (so only one instance can refer to any particular asynchronous result), std::shared_future is copyable and multiple shared future objects may refer to the same shared state Access to the same shared state from multiple threads is safe if each thread does it through its own copy of a shared_future object
c++ - Get the status of a std::future - Stack Overflow If you want to check if it's ready without blocking, then I've done the same as what David Rodríguez - dribeas suggested; call wait_for with a 0 (or maybe up to 10ms) duration, and check the result code that can be one of future_status::ready, future_status::deferred or future_status::timeout How short the delay needs to be depends on your needs