Code shared from the Rust Playground

playground.rs

#![allow(unused)]
use std::collections::HashMap;
use std::io;

struct PhoneEntry {
    name: String,
    phone: String,
}

impl PhoneEntry {
    fn new(self, name: String, phone: String) -> PhoneEntry {
        PhoneEntry { name, phone }
    }
}

struct PhoneBook {
    phone_book: HashMap<String, PhoneEntry>,
}

impl PhoneBook {
    fn add_contact(self) {
        let mut name = String::new();
        let mut phone = String::new();

        io::stdin().read_line(&mut name).unwrap();
    }
}

fn main() {
    let mut pb = PhoneBook {
        phone_book: HashMap::new(),
    };

    pb.add_contact();
}