A lot of folks have commented on this being a cherry-picked example, but I haven't yet seen someone link to a set of examples that show the opposite: pathologic

A lot of folks have commented on this being a cherry-picked example, but I haven't yet seen someone link to a set of examples that show the opposite: pathologically bad performance with Go's generics. https://planetscale.com/blog/generics-can-make-your-go-code-slower https://planetscale.com/blog/generics-can-make-your-go-code-... is a much more in depth dive into how Go's generics work that shows some of the easy cases, like this article, but also the more general cases.