（新华社北京2月25日电 记者朱基钗、胡浩、丁小溪、高蕾、胡梦雪）
"To have that signal, you need that infrastructure, and that's where the planning system comes into play," Elliott says.
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curr = buckets[i];
Фонбет Чемпионат КХЛ
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.