这和市面上那些防窥膜的实现方式是几乎相同的，区别在于技术路径。
// Create a view into the consumer's buffer and fill it
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This makes sense. These keys were designed as project identifiers for billing, and can be further restricted with (bypassable) controls like HTTP referer allow-listing. They were not designed as authentication credentials.
ジミ・ヘンドリックスはギタリストとしてだけではなくエンジニアとしても優秀だった
For implementers, backpressure adds complexity without providing guarantees. The machinery to track queue sizes, compute desiredSize, and invoke pull() at the right times must all be implemented correctly. However, since these signals are advisory, all that work doesn't actually prevent the problems backpressure is supposed to solve.