Rust "Classes" -> struct + impl

struct MyStruct{
    word: String,
    number: i32
}

impl MyStruct{
    pub fn new(s: String, i: i32) -> MyStruct {
        return MyStruct{
            word: s,
            number: i
        }
    }
    pub fn set_word(&mut self, w: String) { self.word = w; }
    pub fn set_number(&mut self, n: i32) { self.number = n; }
    pub fn word(&self) -> String { self.word.to_string() }
    pub fn number(&self) -> i32 { self.number }
}

fn main() {
    let mut m = MyStruct::new("potato".to_string(), 3);
    println!("{}, {:>5}", m.word(), m.number());
    println!("{}, {:>5}", m.word(), m.number());
    m.set_number(1234);
    m.set_word("Balls".to_string());
    println!("{}, {:>6}", m.word(), m.number());
}

potato,     3
potato,     3
Balls,   1234