main.rs

use std::fmt;

// Status is really just a boolean with better naming.
enum Status {
	Alive,
	Dead,
}

impl fmt::Display for Status{
	fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result{
		let character;
		match self{
			&Status::Alive => {
				character = "■"
			}
			&Status::Dead => {
				character = "·"
			}
		}
		write!(f, "{}", character)
	}
}