Files
hyper/examples/hello.rs
Sean McArthur f0478c6267 feat(rt): export hyper::rt::main attribute macro
Usage:

    #[hyper::rt::main]
    async fn main() {
        // async stuff in here
    }
2019-07-10 14:12:21 -07:00

33 lines
895 B
Rust

#![feature(async_await)]
#![deny(warnings)]
use hyper::{Body, Request, Response, Server};
use hyper::service::{make_service_fn, service_fn};
async fn hello(_: Request<Body>) -> Result<Response<Body>, hyper::Error> {
Ok(Response::new(Body::from("Hello World!")))
}
#[hyper::rt::main]
pub async fn main() -> Result<(), Box<dyn std::error::Error + Send + Sync>> {
pretty_env_logger::init();
let addr = ([127, 0, 0, 1], 3000).into();
let server = Server::bind(&addr)
.serve(make_service_fn(|_| {
// This is the `Service` that will handle the connection.
// `service_fn` is a helper to convert a function that
// returns a Response into a `Service`.
async {
Ok::<_, hyper::Error>(service_fn(hello))
}
}));
println!("Listening on http://{}", addr);
server.await?;
Ok(())
}