I think you have a good point. It makes more sense to think and talk about as Rust's implementation of bounds checked indexing syntax as being a zero cost abstr

I think you have a good point. It makes more sense to think and talk about as Rust's implementation of bounds checked indexing syntax as being a zero cost abstraction for writing `if` statements everywhere. I.e. Assuming you want bounds checking, you can't do better than what Rust does despite having nice syntax etc.