use std::{error::Error, io, process}; fn run() -> Result<(), Box> { let mut rdr = csv::ReaderBuilder::new().has_headers(false).from_reader(io::stdin()); for result in rdr.records() { let record = result?; println!("{:?}", record); } Ok(()) } fn main() { if let Err(err) = run() { println!("{}", err); process::exit(1); } }