Transforms don't execute until the consumer pulls. There's no eager evaluation, no hidden buffering. Data flows on-demand from source, through transforms, to the consumer. If you stop iterating, processing stops.
We fixed an issue that prevented the Ctrl + Alt + Del shortcut from opening the end session dialog until Quick Settings had been opened. And end session dialogs now have the same background dimming and blur effects as password dialogs.
。关于这个话题，Line官方版本下载提供了深入分析
– effect: “torn-paper-reveal”
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