Code shared from the Rust Playground

playground.rs

use actix_web::{get, web, App, HttpServer, Responder};
use dashmap::DashMap;

#[get("/")]
async fn index(state_data: web::Data<AppState>) -> impl Responder {
    "Hello World!"
}
#[get("/test")]
async fn test(state_data: web::Data<AppState>) -> impl Responder {
    let dashMap = &state_data.dashMap;

    // for k in dashMap {
    //     println!("{:#?}", (k));
    // }
    "Hello World!"
}

pub struct AppState {
    pub dashMap: DashMap<String, String>,
}

#[actix_web::main]
async fn main() -> std::io::Result<()> {
    let dm: DashMap<String, String> = DashMap::new();
    dm.insert("ok".to_string(), "ok".to_string());

    let state_data = web::Data::new(AppState { dashMap: dm });

    HttpServer::new(move || {
        App::new()
            .service(index)
            .service(test)
            .app_data(state_data.clone())
    })
    .bind("127.0.0.1:8081")?
    .run()
    .await
}