OP had a specific high-levelness in mind, that Rust does not fall into. C is provided as performance baseline, which is a common benchmark. The languages are co

OP had a specific high-levelness in mind, that Rust does not fall into. C is provided as performance baseline, which is a common benchmark. The languages are compared against Python - Nim and Crystal are closer to Python than Rust. For example GC is a requirement at language level implied by the author. Rust is cool, but it does not have a horse in this race I'm afraid.