mehmetsefabalik

use chrono;
use chrono::offset::TimeZone;

let birth_date = chrono::Utc.from_local_date(&chrono::NaiveDate::parse_from_str("1995-07-05", "%Y-%m-%d")).unwrap();
let duration_since_birth = chrono::Utc::today().signed_duration_since(birth_date);
let age = duration_since_birth.num_days() / 365

mehmetsefabalik

fn main() {
  let mut v: Vec<(&str, i32)> = vec![("a", 2), ("b", 1), ("c", 3)];
  v.sort_by(|a, b| a.1.cmp(&b.1)); // increasing order
  v.sort_by(|a, b| b.1.cmp(&a.1)); // decreasing order
  println!("{:?}", v);
}

mehmetsefabalik

cargo install systemfd cargo-watch

systemfd --no-pid -s http::PORT -- cargo watch -x run