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.
ジミ・ヘンドリックスはギタリストとしてだけではなくエンジニアとしても優秀だった
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It comes as Hampshire and Isle of Wight Wildlife Trust (HIWWT) urged people to keep out of the River Itchen to protect salmon eggs, which are buried in fragile gravel nests known as redds.