The way I see it, there are four main ways people like to learn: 
• Books/Blogs
• Video Courses/Conference Talks
• Building (or what should I build?)
• Listen

Failsafe-go is a library for building fault tolerant Go applications. It works by wrapping executable logic with one or more resilience policies, which can be combined and composed as needed. Policies include:
• Failure handling: Retry, Fallback
• Load limiting: Circuit Breaker, Bulkhead, Rate Limiter, Cache
• Time limiting: Timeout, Hedge

gohack can be useful in some cases where a quick check is all you need. Since gohack obtains the dependency on its own, it makes it a bit faster to use than cloning manually. That said, I'd be concerned about committing the replace line accidentally, which is why I think the workspace approach is safer (and also more explicit)