Asking for phone number until entered.

check_phone.rs

use std::io;
use std::process;

fn main() {

    println!("Please enter your name: ");

    let mut name_input = String::new();
    io::stdin().read_line(&mut name_input).unwrap();

    let name: String;

    match name_input.trim().parse() {
        Ok(value) => {
            name = value;
        },
        Err(_error) => {
            eprintln!("There was an error with your name input");
            process::exit(1);
        }
    }
    
    let mut phone: String = "".to_string();

    while phone.is_empty() {

        println!("Please enter your phone number: ");
        let mut phone_input = String::new();
        io::stdin().read_line(&mut phone_input).unwrap();
    
        match phone_input.trim().parse() {
            
            Ok(phone_value) => {
                phone = phone_value;
            },
            Err(_error) => {
                eprintln!("There was an error with your name input");
                process::exit(1);
            }
            
        }
    }
    
    println!("Your Name: {} and phone: {}", name, phone)

}