const dropNew = Stream.push({ highWaterMark: 2, backpressure: 'drop-newest' });
只不过，「搓擦条」的最终成品相当别扭，还要单独适配，导致开发者兴趣寥寥，用户能实际得益于触控的场景也非常有限。但如今，整块屏幕都可以触控，用户想怎么用就怎么用，反而从根本上解决了交互设计的问题——毕竟，谁不会用 iPhone 和 iPad 呢？
，更多细节参见旺商聊官方下载
国内L4玩家中，小马智行实现“单车盈利”，萝卜快跑在武汉、亦庄两地试点扭亏为盈。文远知行在海外也取得了不错成绩。虽然绝对数量上不占优势，但证明了L4商用是可行的，是能赚到钱的。
There's also Stream.broadcast() for push-based multi-consumer scenarios. Both require you to think about what happens when consumers run at different speeds, because that's a real concern that shouldn't be hidden.
Luckily, new cases are already available for the Samsung Galaxy S26. They're available to shop now, so by the time your new Samsung Galaxy S26 arrives, your case will be there too.