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37b5c03865
In the previous patch we added a delay injection point (for testing) in the view update code. Because the code was using continuation style, this resulted in increased indentation and ugly repetition of captures. So in this patch we coroutinize the code that waits for remote view updates, making it simpler, shorter, and less indented. Note that this function still uses continuations in one place: The remote view update is still composed of two steps that need to happen one after another, but we don't necessarily need to wait for them to happen. This is easiest to do with chaining continuations, and then either waiting or not waiting for the resulting future. Signed-off-by: Nadav Har'El <nyh@scylladb.com>