Simple redis client in rust

simple-redis-client.rs

use std::io::TcpStream;
use std::str;


fn main() {
    let mut client = match TcpStream::connect("127.0.0.1", 6379) {
        Ok(c) => c,
        Err(e) => fail!("Failed: {}", e)
    };

    let command_parts = ["keys", "*"];
    let mut full_command = format!("*{}\r\n", command_parts.len());

    for &part in command_parts.iter() {
        full_command = format!("{}${}\r\n{}\r\n", full_command, part.len(), part)
    }

    println!("{}", full_command);

    match client.write(full_command.as_bytes()) {
        Err(e) => fail!("{}", e),
        _ => {}
    };

    let mut buf = [0u8, .. 256];

    match client.read(buf) {
        Err(e) => fail!("Failed to read from redis client: {}", e),
        Ok(r) => r
    };

    match str::from_utf8(buf) {
        Some(x) => println!("{}", x),
        None => { }
    }
}