#16-hello-rust

Minimal Rust & WebAssembly example. More examples: https://www.hellorust.com.

Install

• Install rust.

• Install WebAssembly target

rustup update
rustup component add wasm32-unknown-unknown --toolchain nightly

• Install wasm-gc (works better than wasm-opt from binaryen)

cargo install --git https://github.com/alexcrichton/wasm-gc

Build

rustc +nightly --target wasm32-unknown-unknown -O hello.rs --crate-type=cdylib
wasm-gc hello.wasm hello-gc.wasm

Run

node index.js