This feels like a wrapper around an equivalent of the Linux container_of construct (https://radek.io/2012/11/10/magical-container_of-macro/ https://radek.io/201

This feels like a wrapper around an equivalent of the Linux container_of construct (https://radek.io/2012/11/10/magical-container_of-macro/ https://radek.io/2012/11/10/magical-container_of-macro/). I have no idea whether there's further prior art in that respect.