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actix-web/actix-http/examples/actix-web.rs

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use actix_http::HttpService;
use actix_server::Server;
use actix_service::map_config;
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use actix_web::{dev::AppConfig, get, App, Responder};
#[get("/")]
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async fn index() -> impl Responder {
"Hello, world. From Actix Web!"
}
#[tokio::main(flavor = "current_thread")]
async fn main() -> std::io::Result<()> {
Server::build()
.bind("hello-world", "127.0.0.1:8080", || {
// construct actix-web app
let app = App::new().service(index);
HttpService::build()
// pass the app to service builder
// map_config is used to map App's configuration to ServiceBuilder
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// h1 will configure server to only use HTTP/1.1
.h1(map_config(app, |_| AppConfig::default()))
.tcp()
})?
.run()
.await
}