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.
The Mini 12 also offers a number of other niceties. I appreciated the larger-than-average viewfinder and the small counter that shows your remaining shots, which is a useful tracking feature given that each print costs about $1. However, it doesn’t support Bluetooth or pair with a companion app that allows you to edit photos (only scan them), and it doesn’t feature filters, lens options, or portrait modes. But if you’re looking for a solid instant camera that caters to all ages and experience levels, you’ll likely be satisfied with the Instax Mini 12.
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第十七条 经登记的选民名单应当在选举日的二十日前公布；采取每户派代表或者居民代表选举方式的，应当同时公布户的代表或者新一届居民代表名单。，推荐阅读safew官方版本下载获取更多信息
看得出，完美日记在过去几年里主动选择了收缩营销战线，公司试图告别过去“狂轰滥炸”的营销模式，减少达人投放、降低营销预算、关闭低效线下门店，从激进扩张转向保守收缩。