1 use std::error::Error; 2 use std::io; 3 use std::process; 4 main()5fn main() { 6 if let Err(err) = run() { 7 println!("{}", err); 8 process::exit(1); 9 } 10 } 11 run() -> Result<(), Box<dyn Error>>12fn run() -> Result<(), Box<dyn Error>> { 13 let mut rdr = csv::Reader::from_reader(io::stdin()); 14 for result in rdr.records() { 15 // This is effectively the same code as our `match` in the 16 // previous example. In other words, `?` is syntactic sugar. 17 let record = result?; 18 println!("{:?}", record); 19 } 20 Ok(()) 21 } 22