Files for my Blog Post rust references

type_example_complete.rs

use std::io::{self, Write};
use std::error::Error;

struct Person {
    age: u8,
    email: String
}

impl Person {
    fn new(age: u8, email: String) -> Result<Person, &'static str> {
        if age > 140 || age < 13 {
            return Err("This person is too old or too young.");
        }

        if email.find("@").is_none() {
            return Err("Email address contain an @ sign");
        }

        Ok(Person {
            age: age,
            email: email
        })
    }
}

fn main() {
    let person = match get_person() {
        Ok(per) => per,
        Err(e) => return println!("Error: {}", e)
    };
    println!("Hello {}, you are {} years old.", person.email, person.age);
}

fn get_person() -> Result<Person, Box<Error + 'static>> {
    let mut buffer = String::new();
    let stdin = io::stdin();
    print!("Please enter your email: ");
    io::stdout().flush()?;
    stdin.read_line(&mut buffer)?;
    println!();

    let email = buffer.trim().into();
    buffer = String::new();

    print!("Please enter your age: ");
    io::stdout().flush()?;
    stdin.read_line(&mut buffer)?;
    println!();


    let age = buffer.trim().parse()?;

    Ok(Person::new(age, email)?)
}

type_example_simple.rs

use std::io::{self, Write};
use std::error::Error;

struct Person {
    age: u8,
    email: String
}

fn main() {
    let person = match get_person() {
        Ok(per) => per,
        Err(e) => return println!("Error: {}", e)
    };
    println!("Hello {}, you are {} years old.", person.email, person.age);
}

fn get_person() -> Result<Person, Box<Error + 'static>> {
    let mut buffer = String::new();
    let stdin = io::stdin();
    print!("Please enter your email: ");
    io::stdout().flush()?;
    stdin.read_line(&mut buffer)?;
    println!();

    let email = buffer.trim().into();
    buffer = String::new();

    print!("Please enter your age: ");
    io::stdout().flush()?;
    stdin.read_line(&mut buffer)?;
    println!();


    let age = buffer.trim().parse()?;

    Ok(Person {
        age: age,
        email: email
    })
}