File: tutorial-perf-alloc-01.rs

package info (click to toggle)
rust-csv 1.3.0-1
  • links: PTS, VCS
  • area: main
  • in suites: sid, trixie
  • size: 6,280 kB
  • sloc: makefile: 6
file content (26 lines) | stat: -rw-r--r-- 538 bytes parent folder | download 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
 
use std::{error::Error, io, process};

fn run() -> Result<u64, Box<dyn Error>> {
    let mut rdr = csv::Reader::from_reader(io::stdin());

    let mut count = 0;
    for result in rdr.records() {
        let record = result?;
        if &record[0] == "us" && &record[3] == "MA" {
            count += 1;
        }
    }
    Ok(count)
}

fn main() {
    match run() {
        Ok(count) => {
            println!("{}", count);
        }
        Err(err) => {
            println!("{}", err);
            process::exit(1);
        }
    }
}