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.
Sketches of Japanese algae, by Kintaro Okamura (1913).
。关于这个话题，搜狗输入法2026提供了深入分析
OpenAI reaches deal to deploy AI models on U.S. Department of War classified network
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第三十五条 仲裁机构收到仲裁申请书之日起五日内，认为符合受理条件的，应当受理，并通知申请人；认为不符合受理条件的，应当书面通知申请人不予受理，并说明理由。