use std::fs;
use std::io::{self, BufRead, Read, Seek};

fn main() {
    let filename = "etc/p03.txt";
    let file = fs::File::open(filename).expect("Can't open file");
    let mut reader = io::BufReader::new(file);

    println!("PART ONE ---------------");
    part1(reader.by_ref().lines());
    reader.rewind().expect("Can't rewind");

    println!("\n PART TWO ---------------");
    part2(reader.lines());
}

fn part1(lines: impl Iterator<Item = std::io::Result<String>>) {
}

fn part2(lines: impl Iterator<Item = std::io::Result<String>>) {
}

#[cfg(test)]
mod tests {
    use super::*;
}