// Synchronous source from in-memory data
The primary signal is desiredSize on the controller. It can be positive (wants data), zero (at capacity), negative (over capacity), or null (closed). Producers are supposed to check this value and stop enqueueing when it's not positive. But there's nothing enforcing this: controller.enqueue() always succeeds, even when desiredSize is deeply negative.
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Oasis nominated for the Rock and Roll Hall of Fame
// Stateless transform — a pure function
肖赛夺冠后，陆逸轩被记者包围。图丨© Wojciech Grzedzinski