use std::{
    env::args,
    io::{stdin, stdout},
};

use lambda::{eval_file, repl};

fn main() {
    if args().count() > 1 {
        for file in args().skip(1) {
            println!("{}", eval_file(&file));
        }
    } else {
        repl(&mut stdin(), &mut stdout());
    }
}