Its an optional dependency. You can build without it by just using a nightly version of rust with the wasm32-unknown-unknown backend. An example of using cargo

Its an optional dependency. You can build without it by just using a nightly version of rust with the wasm32-unknown-unknown backend. An example of using cargo-web with the stdweb rust project: https://github.com/koute/stdweb#running-the-examples https://github.com/koute/stdweb#running-the-examples