day 6 to u8 conversion

rust/day6/src/main.rs

@@ -7,18 +7,18 @@ fn remove_whitespace(s: &str) -> String {
     return s.split_whitespace().collect();
 }
 
-fn load_file() -> Result<Vec<i64>, std::io::Error> {
+fn load_file() -> Result<Vec<u8>, std::io::Error> {
     let file = fs::File::open(PATH)?;
     let reader = std::io::BufReader::new(file);
-    let res: Vec<i64> = reader.split(b',').map(|p| {
+    let res: Vec<u8> = reader.split(b',').map(|p| {
         let p = p.unwrap();
         let v = String::from_utf8_lossy(&p);
-        return remove_whitespace(&v).parse::<i64>().unwrap();
+        return remove_whitespace(&v).parse::<u8>().unwrap();
     }).collect();
     return Ok(res);
 }
 
-fn run_day(v: &mut Vec<i64>) {
+fn run_day(v: &mut Vec<u8>) {
     let len = v.len();
 
     for i in 0..len {
@@ -44,8 +44,9 @@ fn part1() {
 fn part2() {
     let mut x = load_file().unwrap();
 
-    for _ in 0..256 {
+    for i in 0..256 {
         run_day(&mut x);
+        println!("day: {} fish: {}", i+1, x.len());
     }
 
     println!("total: {}", x.len());