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Function std.parallelism.Task.yieldForce

If the Task isn't started yet, execute it in the current thread. If it's done, return its return value, if any. If it's in progress, wait on a condition variable. If it threw an exception, rethrow that exception.

ref Task.ReturnType yieldForce() @property @trusted;

This function should be used for expensive functions, as waiting on a condition variable introduces latency, but avoids wasted CPU cycles.



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