Function handler

src/main.rs:56–59

(axum::extract::State(io): axum::extract::State<SocketIo>)

}

async fn handler(axum::extract::State(io): axum::extract::State<SocketIo>) {
    info!("handler called");
    let _ = io.emit("hello", "world");
}

#[tokio::main]
async fn main() -> Result<(), Box<dyn std::error::Error>> {