extern crate dyon;
use dyon::{error, run};
fn main() -> Result<(), ()> {
let file = std::env::args_os()
.nth(1)
.and_then(|s| s.into_string().ok());
if let Some(file) = file {
if error(run(&file)) {Err(())} else {Ok(())}
} else {
eprintln!("dyonrun <file.dyon>");
Err(())
}
}