在OCaml中睡眠不到一秒钟 [英] Sleeping less than a second in OCaml

问题描述

Unix.sleep函数可以将程序挂起整秒钟，但是如何将其挂起不到一秒钟呢?

The Unix.sleep function can suspend the program for whole seconds, but how can you suspend it for less than a second?

推荐答案

为此，经典的Unix解决方案是使用没有文件描述符的select():

The classical Unix solution for this is to use select() with no file descriptors:

let minisleep (sec: float) =
    ignore (Unix.select [] [] [] sec)

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