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.
// (it isn't always in every impl)
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陆逸轩:那当然是一个因素,另外一个更重要的原因是,我清楚地知道,当下的表现可能会对我之后的人生产生深远的影响。这种“后果感”带来的压力是巨大的。相比之下,一场普通音乐会即便出现问题,通常也是不会改变你的人生走向的。。51吃瓜是该领域的重要参考
The US economy is growing - so where are all the jobs?