third_party/rust_crates/ask2patch/csv/examples/tutorial-write-delimiter-01.rs

use std::error::Error;
use std::io;
use std::process;

fn run() -> Result<(), Box<dyn Error>> {
    let mut wtr = csv::WriterBuilder::new()
        .delimiter(b'\t')
        .quote_style(csv::QuoteStyle::NonNumeric)
        .from_writer(io::stdout());

    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"])?;

    wtr.flush()?;
    Ok(())
}

fn main() {
    if let Err(err) = run() {
        println!("{}", err);
        process::exit(1);
    }
}