Rust main for web app

main.rs

#[async_std::main]
async fn main() -> tide::Result<()> {
    tide::log::start();
    let mut app = tide::new();
    app.with(tide::sessions::SessionMiddleware::new(
        tide::sessions::MemoryStore::new(),
        b"Raz is ready to play anytime, anywhere, aroo aroo",
    ));

    app.at("/").get(|req| show_call_list(req));
    app.at("/block_number/:number").get(|req| block_number(req));
    app.at("/unblock_number/:number")
        .get(|req| unblock_number(req));
    app.at("/block_name/:name").get(|req| block_name(req));
    app.at("/unblock_name/:name").get(|req| unblock_name(req));
    app.at("/allow_number/:number").get(|req| allow_number(req));
    app.at("/unallow_number/:number")
        .get(|req| unallow_number(req));
    app.at("/blocked").get(|_| show_blocked_list());
    app.at("/allowed").get(|_| show_allowed_list());
    app.listen("0.0.0.0:8080").await?;
    Ok(())
}