use std::io::{Stdout, Write};
use termion::raw::{IntoRawMode, RawTerminal};

extern crate termion;
mod component;
mod token;

pub struct Display {
    // needs to hold the termion display
    screen: RawTerminal<Stdout>,
}

impl Display {
    pub fn new() -> Result<Self, anyhow::Error> {
        Ok(Self {
            screen: std::io::stdout().into_raw_mode()?,
        })
    }
}

pub fn add(left: usize, right: usize) -> usize {
    left + right
}

#[cfg(test)]
mod tests {
    use super::*;

    #[test]
    fn it_works() {
        let result = add(2, 2);
        assert_eq!(result, 4);
    }
}