Author(s): Aayush Trivedi, Jalaj Kumar, Mehdi Salem, Alankar Alankar
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.
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Израиль нанес удар по Ирану09:28
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// 测试用例（验证你的代码正确性，可自行删除/保留）