I am wondering about an alternative way of accessing files.

I am no expert on the topic, but I believe Linux (well Posix?) has primitives pread and pwrite, which take a file position, avoiding the need to seek to the correct position first ( saving a kernel call). It is also IMO awkward to have to mutate state to read a file, and std:fs::file is not Sync when I think an alternative could be. So I was wondering about the practicality of making a struct for this, or maybe a crate already exists?

( Some 14-year-old stack overflow discussion here )

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