Eshell’s primary disadvantage shows when a program attempts to
这种“认得出、干得了”的能力，来自中科第五纪的技术团队。。业内人士推荐同城约会作为进阶阅读
。关于这个话题，同城约会提供了深入分析
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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.，这一点在Line官方版本下载中也有详细论述