async: Fire and Forget
This lesson gives an overview of fire and forget used with std::async in C++ for multithreading.
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Fire and forget futures are special futures; they execute just in place because their future is not bound to a variable. For a “fire and forget” future, it is necessary that the promise runs in a separate thread so it can immediately start its work. This is done by the std::launch::async policy.
Let’s compare an ordinary future with a fire and forget future.
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