Yellow: Coaching decisions
AdultFriendFinder is a borderline-porn hookup site that's stuck in the past
，这一点在91视频中也有详细论述
On the first loop iteration, there is no backing store for tasks, so
Author(s): Je-hyun Lee, Taihoon Kim, Yong-Chae Chung
Every fragment means promises created for read() calls, promises for backpressure coordination, intermediate buffer allocations, and { value, done } result objects – most of which become garbage almost immediately.