nutmeg 0.1.6

An unopinionated progress bar library
Documentation 
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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));
    }
}