[mumblingdrunk]

You don't have access to the C standard library in the Linux kernel either, so what is your point? Ime., the core library of Rust is much nicer to work with than the absolute bare bones landscape that is C when compiled with -nostd.

Boxes, cells, arcs, etc. exist for different purposes and if you'd take two hours to actually read about them and their uses, you'd understand why they exist.