// rather like a simplified version of a 'head' utility!
extern crate easy_shortcuts as es;
use es::traits::*;

fn main() {
    let me = es::argn_or(1,"examples/lines.rs");
    // es:lines() gives us a straight iterator over String
    // from a readable value;
    // The Print extension trait completes the one-liner.
    es::lines(es::open(&me)).take(3).print("\n");
}