use std::{error::Error, io, process};
fn run() -> Result<(), Box<dyn Error>> {
let mut rdr = csv::Reader::from_reader(io::stdin());
let headers = rdr.headers()?;
println!("{:?}", headers);
for result in rdr.records() {
let record = result?;
println!("{:?}", record);
}
// We can ask for the headers at any time.
let headers = rdr.headers()?;
println!("{:?}", headers);
Ok(())
}
fn main() {
if let Err(err) = run() {
println!("{}", err);
process::exit(1);
}
}