Guile and Guix is way better documented than Nix. The language have more features, so you don’t have to use a hack to load packages, can actually know what is accepted in a function instead of blindly copying what others do, and it comes with a formatter.
There is a pre built distribution, you need to configure binary cache to get it. Refer to the “Substitute for nonguix” section: gitlab.com/nonguix/nonguix
Everyday Use of GNU Guix (www.youtube.com)