If you want to use this pattern, you'll probably end up with a lot of duplicated code e.g. for SQL query builders. I could imagine that Rust makes this kind of

If you want to use this pattern, you'll probably end up with a lot of duplicated code e.g. for SQL query builders. I could imagine that Rust makes this kind of pattern easier due to traits and macros. A lot of languages do not have these features. And then of course Rust people care about correctness more in general.