Thanks for the reference to the Go spec (link for the lazy: https://golang.org/ref/spec)

It is actually fairly comparable to the Rust Reference (https://doc.rust-lang.org/reference/introduction.html), though the way the Rust Reference is divided into chapters makes it a bit hard to see everything at once or search.

They both do contain some examples, as well as things like the syntax in a BNF like format.

Perhaps what I'm looking for is just to have the Rust Reference made a bit more complete and a little more accessible in format (the division into chapters doesn't really seem to help much), as well as improving the SEO since it doesn't show up in Google searches often.