Code shared from the Rust Playground

playground.rs

/*
reqwest = "0.9.18"
tokio = "*"
futures = "*"
*/
use futures::{Future, Stream, future};
use reqwest::r#async::Client;

use tokio::runtime::current_thread::Runtime;

fn fetch(url: &str) -> impl Future<Item=&str, Error=()> {
    Client::new()
        .get(url)
        .send()
        .and_then(|res| {
            res.into_body()
                .concat2()
        })
        .and_then(move |buf| {
            future::ok(::std::str::from_utf8(&buf).unwrap())
        })
        .map_err(|err| panic!("request error: {}", err))
}

fn main()  {
    let s = Runtime::new().unwrap().block_on(fetch("http://www.example.com/"));
    println!("{:?}", s);
}