Is it possible to mmap part of the file?

General Usage
#1

I see the doc here has example of how to mmap the whole file https://docs.julialang.org/en/v1/stdlib/Mmap/

But say if I want to mmap bytes n to m of a file to an array, is that possible?

Do I have to use unsafe_wrap?

#2

Optionally, you can specify an offset (in bytes) if, for example, you want to skip over a header in the file. The default value for the offset is the current stream position for an IOStream .

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