extern crate quick_csv as csv; fn main() { let huge = ::std::env::args().nth(1).unwrap(); let rdr = csv::Csv::from_file(huge).unwrap(); let mut count = 0; for r in rdr { match r { Ok(r) => count += r.len(), Err(e) => panic!("{:?}", e), } } println!("count: {}", count); }