There is also rust-script[1] which runs "Rust files and expressions as scripts without any setup or compilation step." I wrote a data loader[2] in it for my Obs

There is also rust-script[1] which runs "Rust files and expressions as scripts without any setup or compilation step." I wrote a data loader[2] in it for my Observable Framework project and have been very happy with its performance and overall ease including hot-reloading. [1] https://rust-script.org https://rust-script.org [2] https://observablehq.com/framework/loaders#routing https://observablehq.com/framework/loaders#routing