>> 0.1% development, not available <<
Jast is a JavaScript interpreter/compiler to Rust.
To develop, you have to install rust. To install rust (and cargo, the rust package manager), refer to the official, or just:
$ curl https://sh.rustup.rs -sSf | sh
To test and compare, you have to install Node.js. To install Node.js, refer to the official.
$ cargo build
$ ./target/debug/jast
$ cargo run