get text from an HTTP server in rust

httpget.rs

use std::net::*;
use std::io::prelude::*;

fn main()
{
	let mut buf:String;
	
	let ip="google.com";
	let port=80;
	
	let mut stream=TcpStream::connect((ip,port)).unwrap();
	
	let _=stream.write(b"GET / HTTP/1.0\nHost: {}\n\n",ip);
	
	while
	{
		buf=String::new();
		let res=stream.read_to_string(&mut buf).unwrap();
		print!("{}",buf);
		res>0
	}{}
	println!("");
}