A great feature I find with Rust not being superset of an unsafe language, is that the only option for you is to write safe code (unless you explicitly opt for

A great feature I find with Rust not being superset of an unsafe language, is that the only option for you is to write safe code (unless you explicitly opt for `unsafe`). Compare this to merely extending a language e.g adding smart pointers - you could always (mistakenly) implicitly fall back onto bad coding practices.