‫آموزش زبان Rust - قسمت 12 - Implementation Blocks

struct Product {
    name: String,
    price: f32,
    in_stock: bool,
}

impl Product {
    fn calculate_sales_tax(&self) -> f32 {
        self.price * 0.1
    }
}

fn main() {
    let book = Product {
        name: String::from("Book"),
        price: 28.85,
        in_stock: true,
    };
    
    let sales_tax = book.calculate_sales_tax();
    println!("Sales tax: {}", sales_tax);
}

fn calculate_sales_tax(&self) -> f32 {
    self.price * 0.1
}

fn set_price(&mut self, price: f32) {
    self.price = price;
}

fn buy(self) {
    let name: String = self.name;
    println!("{} was bought", name);
}

impl Product {
    fn new(name: String, price: f32) -> Product {
        Product {
            name,
            price,
            in_stock: true,
        }
    }
}