alt Hacker NewsnoCopy. In order to understand it, they have to learn that this is enforced only by `go vet` and that the marker relies on everything described in the `2. How go vet and noCopy work` section of this article.
Of course, they don't have to learn anything other than "use `go vet`, it's what enforces this" to use it. But that's true of almost anything?
It's the difference between trying to learn the language and trying to learn the implementation details of a library. Is the kind of crazy hack that Rust std uses to prevent TOCTOU attacks with symlinks a language complexity issue or not?
I suppose you can add features to the language and then tell people to avoid learning them.