I agree! I actually wish crates.io or even the Rust language as a whole would embrace the "sans-io" mindset. Crates which are "sans-io should simply be "no_std

I agree! I actually wish crates.io or even the Rust language as a whole would embrace the "sans-io" mindset. Crates which are "sans-io should simply be "no_std + alloc". That would suffice for 99% of crates. Ideally, to be fully "sans-io", you'd only be able to depend on other "sans-io" cases.