1 use std::error::Error;
2 use std::io;
3 use std::process;
4
example() -> Result<(), Box<dyn Error>>5 fn example() -> Result<(), Box<dyn Error>> {
6 let mut wtr = csv::Writer::from_writer(io::stdout());
7
8 // When writing records without Serde, the header record is written just
9 // like any other record.
10 wtr.write_record(&["city", "region", "country", "population"])?;
11 wtr.write_record(&["Southborough", "MA", "United States", "9686"])?;
12 wtr.write_record(&["Northbridge", "MA", "United States", "14061"])?;
13 wtr.flush()?;
14 Ok(())
15 }
16
main()17 fn main() {
18 if let Err(err) = example() {
19 println!("error running example: {}", err);
20 process::exit(1);
21 }
22 }
23