As for soulmates, the science points to a paradox. The people who end up with relationships that feel uniquely "meant to be" are often the ones who stopped waiting for fate, turned towards the flawed person in front of them and said, in effect: shall we make something of this?
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。关于这个话题，同城约会提供了深入分析
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.
"Or consider pipeTo(). Each chunk passes through a full Promise chain: read, write, check backpressure, repeat. An {value, done} result object is allocated per read. Error propagation creates additional Promise branches.。Line官方版本下载是该领域的重要参考