I use Rust for bare-metal development (no libc, no allocator, no panic, 32k size limit), and it is comparable to C and C++ for that use-case. The project is 99.

I use Rust for bare-metal development (no libc, no allocator, no panic, 32k size limit), and it is comparable to C and C++ for that use-case. The project is 99.5% Rust with a bit of assembly glue for startup/interrupt handlers.