You absolutely can do the interface wrangling that Hexagonal wants in Go, if that's something you want to do. I've built apps that way. When I've gone sort of

You absolutely can do the interface wrangling that Hexagonal wants in Go, if that's something you want to do. I've built apps that way. When I've gone sort of half-way and allowed explicit dependencies in the core (like on file I/O and so on) what I've regretted is those impurities, not the surrounding interface architecture.