That's it. Any other response is either a variation of these (like "resize the buffer," which is really just deferring the choice) or domain-specific logic that doesn't belong in a general streaming primitive. Web streams currently always choose Wait by default.
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，这一点在heLLoword翻译官方下载中也有详细论述
18:50, 27 февраля 2026Бывший СССР
// 栈不为空时才判断（避免访问stack.at(-1)时报错）