The post was about writing a wrapper for wlroots, a Wayland library designed to simplify writing Wayland compositors upon which Sway is made, not Wayland itself

The post was about writing a wrapper for wlroots, a Wayland library designed to simplify writing Wayland compositors upon which Sway is made, not Wayland itself. There is a nice reimplementation/wrap of Wayland C libraries, and it's wayland-rs.