// Day #DAY#: #TITLE#

use std::fs::File;
use std::io::{self, BufRead};
use std::path::Path;
use regex::Regex;

fn solve_part1() {
  println!("Day #DAY#: Part 1");
  println!("GOAL: #GOAL1#");
  println!("ANSWER: #ANSWER1#");

  if let Ok(lines) = read_lines("./data.txt") {
    for line in lines.flatten() {
      ...
    }
  }
}

fn solve_part2 () {
  println!("Day #DAY#: Part 2");
  println!("GOAL: #GOAL2#");
  println!("ANSWER: #ANSWER2#");
}

fn main() {
  solve_part1()
  solve_part2()
}

fn read_lines<P>(filename: P) -> io::Result<io::Lines<io::BufReader<File>>>
where P: AsRef<Path>, {
    let file = File::open(filename)?;
    Ok(io::BufReader::new(file).lines())
}