ferristype 1.0.2

FerrisType is a minimalist typing game where your sole task is to type whatever appears on your terminal screen. Test and improve your typing speed and accuracy as random words and phrases appear, challenging you to type them quickly and correctly. Embrace the simplicity, hone your typing skills, and reach new levels of typing mastery in this immersive terminal-based game.
Documentation 
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use ferristype::{list_installed_language, FerrisType};
use itertools::Itertools;
use structopt::StructOpt;

#[derive(Debug, StructOpt)]
/// This is Ferris Type. A small typing game in your terminal.
///
/// You can download many more languages from GitHub
///
/// Link: https://github.com/ZennDev1337/ferristype-language-package
struct App {
    /// Number of words in the typing session.
    #[structopt(default_value = "10")]
    words: usize,
    /// Changes the language for the test (without .json)
    #[structopt(short, long, default_value = "english")]
    language: String,
    /// Lists all installed languages
    #[structopt(long = "list")]
    list: bool,
    /// Number of lines visible.
    #[structopt(short = "p", long, default_value = "3")]
    line_peek: u16,
}

fn main() -> std::io::Result<()> {
    let app = App::from_args();
    if let true = app.list {
        list_installed_language()?
            .iter()
            .sorted_by(|a, b| Ord::cmp(a, b))
            .for_each(|x| println!("{:?}", x));
        return Ok(());
    }
    let game = FerrisType::words(app.language, app.words).line_peek(app.line_peek);
    game.play()
}