How to send a http request using only the http crate?

So I looked up the http crate docs and used Request::builder() to make a Request. However, as stupid as it sounds, I did not manage to find out how to send this request. Like what do I need to do? :p

There is a example code, but it cuts out the important part, the send() function:

use http::{Request, Response};let mut request = Request::builder()    .uri("https://www.rust-lang.org/")    .header("User-Agent", "my-awesome-agent/1.0");if needs_awesome_header() {    request = request.header("Awesome", "yes");}let response = send(request.body(()).unwrap());fn send(req: Request<()>) -> Response<()> {    // ...}

I already managed to send requests via hyper, following the starter guide, but the http crate seems easier to understand to me...at least as long as I don't have to send my Request :p

Currently I have:

use http::{Request, Response, StatusCode};fn main() {    let request = Request::builder()        .method("GET")        .uri("https://api.spotify.com/v1/search?q=system+overload")        .header("artist", "smash stereo")        .body(())        .unwrap();    println!("{:?}", request);}

which outputs:

Request { method: GET, uri: https://api.spotify.com/v1/search?q=system+overload, version: HTTP/1.1, headers: {"artist": "smash stereo"}, body: () }