In Unix-like systems, everything is a file, including sockets, so the way to get raw access to a socket would be to convert it to a file descriptor with AsRawFd 18. From what I understand, Windows distinguishes files and sockets, so there are separate AsRawHandle 2 and AsRawSocket 13 traits for Windows. In both cases the interface is fairly low-level, but Rust is fairly conservative about what goes in its standard library, so higher level abstractions are likely to be in other crates. I suppose raw sockets are also somewhat less commonly used than TCP or UDP sockets, so that may be a factor in why they haven't been given standard library wrappers.

This crate provides as direct as possible access to the system's functionality for sockets, this means little effort to provide cross-platform utilities. It is up to the user to know how to use sockets when using this crate. If you don't know how to create a socket using libc/system calls then this crate is not for you. Most, if not all, functions directly relate to the equivalent system call with no error handling applied, so no handling errors such as EINTR. As a result using this crate can be a little wordy, but it should give you maximal flexibility over configuration of sockets.

AVIF encoders need about 100 times as much time to obtain comparable compression to JPEG XL; at a more practical encode speed (say 2-3 times slower than JPEG XL at default effort), AVIF obtains 10 to 15% worse compression than JPEG XL; at the same encode speed, AVIF is not better or even somewhat worse than MozJPEG

We looked at six aspects of JPEG XL where it brings significant benefits over existing image formats:

Lossless JPEG recompression Progressive decoding Lossless compression performance Lossy compression performance Deployable encoder Works across the workflow

Translating marketing speech to human language: "Our market share is so low whatever we decide is unlikely to change the status of JPEG-XL on the web".

JPEG XL doesn't perform well with its appeal, with low-fidelity images looking worse, with more noticeable artifacts in heavily compressed images.