The standard library is slowly adding non-panicking options. The article shows some of them (like vec.push_within_capacity()) and ignores some others (vec.get_u

The standard library is slowly adding non-panicking options. The article shows some of them (like vec.push_within_capacity()) and ignores some others (vec.get_unchecked()). There is still a lot of work to do, but it is an area where a lot of work gets done. The issue is just that a) Rust is still a fairly young language, barely a decade old counting from 1.0 release, and b) Rust is really slow and methodical in adding anything to stdlib because of how hard/impossible it is to reverse bad decisions in the stdlib. The same article written a couple years in the future would look very different