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.
In his letter, Miliband said the government's modelling "accounts for potential emissions from data centres through our projection of overall electricity demand growth, which reflects broader economic trends".
，这一点在safew官方下载中也有详细论述
OsmAnd Web Preview: View Route
I welcome issues, discussions, and pull requests. If you've run into Web streams problems I haven't covered, or if you see gaps in this approach, let me know. But again, the idea here is not to say "Let's all use this shiny new object!"; it is to kick off a discussion that looks beyond the current status quo of Web Streams and returns back to first principles.