> without these language features I don't see how the Result<T> approach is better. That's the point! I want language features! I don't want to wait 6 years

> without these language features I don't see how the Result<T> approach is better. That's the point! I want language features! I don't want to wait 6 years for the designers to bake some new operator into the language. I want rich enough expression so that if '?.' is missing I just throw it in as a one-liner. Generics is one such source of richness.