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//! Example of a simple progress bar that counts up.
use std::thread::sleep;
use std::time::Duration;
struct Model {
i: usize,
}
impl nutmeg::Model for Model {
fn render(&mut self, _width: usize) -> String {
format!("count: {}", self.i)
}
fn final_message(&mut self) -> String {
format!("done, {} steps executed", self.i)
}
}
fn main() {
let options = nutmeg::Options::default();
let view = nutmeg::View::new(Model { i: 0 }, options);
for _i in 1..=5 {
view.update(|state| state.i += 1);
sleep(Duration::from_millis(300));
}
}
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