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.
Written in the dead of night in her university room, they were rooted in the sounds of UK garage and drum and bass, and the buzz earned her the BBC's Sound of 2022 award.
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Alison Francis,Senior Science Journalist
这两年，这个价位段的竞争要比以前激烈了不少。看看现在的销量榜单，比亚迪早就筑起了高墙，吉利星愿和五菱宾果也各自占据了一方天地。这些车型都很成熟，续航够用、空间够用、配置够用。它们经过了市场的筛选，非常懂得如何在成本的红线内跳舞。