chap 6-reading async file

I believe there is something wrong with the code, as I am receiving an error code of 'fd must be a file descriptor'.

Can you please advise? Thanks

[WakeCaine]

I did not look into my repo for some time but i think i dealt with this problem. See here in relevant folder corresponding to the chapter from the book:
https://github.com/WakeCaine/NodeExamples