download.rs

use hyper::{self,Client};
use hyper::rt::{self,Future,Stream};

use hyper_tls::HttpsConnector;


use std::fs::File;
use std::io::prelude::*;
use futures::future;

fn main() {
    let tls =  HttpsConnector::new(4).unwrap();
    let client = Client::builder().build::<_,hyper::Body>(tls);


    let uri = "https://www.7-zip.org/a/7za920.zip".parse().unwrap();

    let c = client
        .get(uri)
        .map(|data|{
            println!("{:?}", data.status());

            let mut file = File::create("./t.zip").unwrap();

            data
                .into_body()
                .for_each(move |chunk|{
                    file.write_all(chunk.as_ref()).map_err(|e| panic!("{}", e))
                })
        })
        .and_then(|_|{
            println!("Arquivo criado");
            future::ok(())
        })
        .map_err(|err|{
            println!("{:?}",err)
        });


    rt::run(c);
}