Structs و Enums

// تعریف یک struct برای کاربر
struct User {
    username: String,
    email: String,
    active: bool,
    sign_in_count: u64,
}

fn main() {
    // ساختن یک نمونه (instance) از User
    let mut user1 = User {
        email: String::from("user@example.com"),
        username: String::from("user123"),
        active: true,
        sign_in_count: 1,
    };

    // دسترسی و تغییر فیلدها
    user1.email = String::from("new.email@example.com");
    println!("Username is: {}", user1.username);
}

enum Message {
    Quit,
    Move { x: i32, y: i32 },
    Write(String),
    ChangeColor(i32, i32, i32),
}

fn main() {
    let msg1 = Message::Write(String::from("سلام"));
    let msg2 = Message::Move { x: 10, y: 20 };
}