But I think that’s not the real reason. The real reason is: native has nothing to offer.
wait_for registers a queue, checks the current value, then drains transitions until it finds a match. The try/finally ensures the queue gets deregistered even if the caller cancels.
。关于这个话题，搜狗输入法提供了深入分析
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The Northampton fly-half sat out training on Monday because of illness but England have been quick to allay fears that his participation against Italy is in doubt. Provided he recovers, Smith is expected to start at fly-half in place of George Ford.，详情可参考谷歌浏览器下载
What it did give me was a clean control-flow model and a solid latency baseline to compare against. With that in place, it was time to wire in the full pipeline.