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.
Ледники на юге Исландии
，这一点在同城约会中也有详细论述
Раскрыты подробности о договорных матчах в российском футболе18:01
"Having a very low-hire, low-fire, low-quits environment in a period of economic growth can only last so long."
// Nothing stops you from doing this