I've never seen more than one level of nesting in a piece of Guix code, but that comes with the caveat that Guix is quite happy to extract fields that would per

I've never seen more than one level of nesting in a piece of Guix code, but that comes with the caveat that Guix is quite happy to extract fields that would perhaps be nested with other languages into their own top-level fields, like the build-system and arguments fields being separate in package definitions.