Debug'd random reader

gistfile1.txt

extern crate rand;

use std::io;
use std::num;
use std::io::BufferedReader;
use rand::{task_rng, Rng};


fn main() -> () {

    let mut rng = rand::task_rng();

    let num: int = (rng.gen::<int>() % 9) + 1;

    let mut reader = BufferedReader::new(io::stdin());
    print!("Guess a number: ");

    let mut input: &~str = &~"";
    let mut num_inp: int = 0;

    while num_inp != 9 {

        let y:Option<~str>;
        match reader.read_line() {
            Ok(x) => {
              println!("<- {:?}", x);
              y = Some(x.clone());
              println!("-> {:?}", y);
            },
            Err(err) => {
              println!("Bad input! Try again");
              y = None;
            }
        };

        match y {
          Some(z) => {
              println!("Read: {:?}", z.slice(0, 1));
              match z.slice(0, 1) {
                  "1" | "2" | "3" | "4" | "5" | "6" | "7" | "8" | "9" => {
                      println!("Matched to a selected number");
                      match from_str::<int>(z.slice(0, 1)) {
                        Some(y) => {
                          num_inp = y;
                          println!("The value of num_inp is now: {:?}", num_inp);
                        },
                        None => {
                          println!("That didn't seem to be a number");
                        }
                      }
                  },
                  _ => {}
              };
          },
          None => {}
        }

    }
}