On Tuesday, February 25, 2020 at 4:10:46 AM UTC-8 dmitry....@jetbrains.com 
wrote:

> What is the meaning of the conversion
>
>     var b []byte
>     var p *byte = (*byte)(unsafe.Pointer(*b[0]))
>

You mean &b[0] at the end there, not *b[0].
 

>
> It is used for example in 
> https://github.com/golang/net/blob/master/internal/socket/iovec_64bit.go.
>
> How it is different from
>
>     var b []byte
>     var p *byte = &b[0]
>
>
It is not any different. Not sure why the code goes through that hoop 
unnecessarily.
Probably historical accident. Maybe go through the change history and see 
how it evolved.
 

> Thank you!
>
>

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