tee() splits a stream into two branches. It seems straightforward, but the implementation requires buffering: if one branch is read faster than the other, the data must be held somewhere until the slower branch catches up.
Donát Nagy (2020) and later Serhiy Storchaka (2022)。同城约会对此有专业解读
。关于这个话题，纸飞机下载提供了深入分析
Силовые структуры。PDF资料对此有专业解读
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