button_example.rs

pub trait Button {
    fn click(&mut self);
    fn inner_text(&mut self) -> String;
}

pub struct CounterButton {
    count: i32
}

impl Button for CounterButton {
    fn click(&mut self) {
        self.count += 1;
    }

    fn inner_text(&mut self) -> String {
        format!("Count: {}", self.count)
    }
}