use std::{error::Error, io, process}; fn example() -> 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) = example() { println!("error running example: {}", err); process::exit(1); } }