I had this same pain point though when using Rust that was meant to run in the browser (compiles to WASM), i.e. guaranteed to be single-threaded. Still had to p

I had this same pain point though when using Rust that was meant to run in the browser (compiles to WASM), i.e. guaranteed to be single-threaded. Still had to pay the very high price of accessing global state in Rust. Ended up moving that code to JS instead just to avoid that!