This is a simple, and therefore very common approach. Generally, most event systems, streams, and observables follow this rough pattern. Even promises/futures/async/await can be thought of as a one-time-only push-based reactive tree — each .then/.map/await call creates a listener to the previous step, and then when the initial promise resolves, the update is pushed through the rest of the system.
Стало известно возможное наказание Верке Сердючке в России20:50，推荐阅读新收录的资料获取更多信息
，这一点在新收录的资料中也有详细论述
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All surgeries were successful, and the stem cell patch was placed as planned for every patient, and all the wounds were completely healed.