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use std::{error::Error, io, process};
fn run() -> Result<(), Box<dyn Error>> {
let mut wtr = csv::Writer::from_writer(io::stdout());
// Since we're writing records manually, we must explicitly write our
// header record. A header record is written the same way that other
// records are written.
wtr.write_record(&[
"City",
"State",
"Population",
"Latitude",
"Longitude",
])?;
wtr.write_record(&[
"Davidsons Landing",
"AK",
"",
"65.2419444",
"-165.2716667",
])?;
wtr.write_record(&["Kenai", "AK", "7610", "60.5544444", "-151.2583333"])?;
wtr.write_record(&["Oakman", "AL", "", "33.7133333", "-87.3886111"])?;
// A CSV writer maintains an internal buffer, so it's important
// to flush the buffer when you're done.
wtr.flush()?;
Ok(())
}
fn main() {
if let Err(err) = run() {
println!("{}", err);
process::exit(1);
}
}
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