Argument parsing.rs

extern crate argparse;
use argparse::{ArgumentParser, StoreFalse, StoreTrue, Store};
let mut vart = false;
let mut varf = true;
let mut vars = String::from("");
{
    let mut ap = ArgumentParser::new();
    ap.set_description("Program description");
    ap.refer(&mut vart).add_option(&["-t", "--true"], StoreTrue, "description");
    ap.refer(&mut varf).add_option(&["-f", "--false"], StoreFalse, "description");
    ap.refer(&mut vars).add_option(&["-s", "--store"], Store, "description");
    
    ap.parse_args_or_exit();
}