Rust by Example[0] (and possibly the Rust Book[1]) uses gitbook, for those curious as to how a language reference may look like with GitBook.<p>[0]: <a href="http:&#x2F;&#x2F;rustbyexample.com" rel="nofollow">http:&#x2F;&#x2F;rustbyexample.com</a><p>[1]: <a href="https:&#x2F;&#x2F;doc.rust-lang.org&#x2F;book&#x2F;" rel="nofollow">https:&#x2F;&#x2F;doc.rust-lang.org&#x2F;book&#x2F;</a>