mod utils; use wasm_bindgen::prelude::*; // Import the `window.alert` function from the Web. #[wasm_bindgen] extern "C" { fn alert(s: &str); } // Export a `greet` function from Rust to JavaScript, that alerts a // hello message. #[wasm_bindgen] pub fn greet(name: &str) { alert(&format!("Hello, {}!", name)); }