the scavaging list
Transform backpressure gaps: Pull-through transforms execute on-demand. Data doesn't cascade through intermediate buffers; it flows only when the consumer pulls. Stop iterating, stop processing.
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for (int i = 0; i < n - 1; i++) {
知道海明威怎么写《老人与海》吗？他每天停笔时，故意不写完一句话，就写半句，留半句。为什么？这样第二天早上，他就有个现成的开头可以接着写，灵感不会断片。他太懂怎么对付那个完美主义小鬼了。