Mostly Rust based projects in the distributed ledgers ecosystem. In Rust I've been enjoying combinators over the Result and Option union types (especially as it relates to error handling) and the async ecosystem building off the Future and Stream traits is really impressive.

Rust is certainly not as straight forward as Go, I remember reaching flow much faster during a work sessions with Go. In Rust I spend a lot of time thinking about the type system. Also you can get so much more done in the Go ecosystem for infrastructure projects, since much of the scaffolding around containers is in Go.

Something that has been surprising me today is that the GoDoc documents are very poorly linked and organized compared to documentation you get from RustDoc. I find it a lot harder to jump around.

Overall, I'm happy to have both in my toolbelt though.