[CLEANUP] Small code cleanup/fixes

src/day10.rs

@@ -7,7 +7,7 @@ pub fn solve() {
     adapters.sort();
 
     let diffs = count_diffs(&adapters);
-    println!("{:?}", diffs);
+    // println!("{:?}", diffs);
     let part1 = (diffs[0] + 1) * (diffs[2] + 1);
 
     println!("Day 10 Part 1: {}", part1);

src/day11.rs

@@ -2,18 +2,17 @@ use super::util;
 use crate::day11::GridState::Floor;
 use crate::day11::GridState::FilledSeat;
 use crate::day11::GridState::EmptySeat;
-use usize_cast::{IntoUsize, FromUsize, IntoIsize, FromIsize};
 
 pub fn solve() {
     let lines = util::read_file("input/day11.txt");
 
     let seats = Seats::parse(&lines);
-    let visible_chairs = seats.calculate_all_visible_chairs();
 
     let part1 = solve_part1(&seats);
 
     println!("Day 11 Part 1: {}", part1);
 
+    let visible_chairs = seats.calculate_all_visible_chairs();
     let part2 = solve_part2(&seats, &visible_chairs);
 
     println!("Day 11 Part 2: {}", part2);
@@ -108,9 +107,7 @@ impl Seats {
             }
         }
 
-        let mut seats = Seats { grid, width, height };
-        seats.calculate_all_visible_chairs();
-        return seats;
+        return Seats { grid, width, height };
     }
 
     fn calculate_all_visible_chairs(&self) -> Vec<Option<Vec<(usize, usize)>>> {
@@ -141,10 +138,9 @@ impl Seats {
 
     fn raycast(&self, origin_x: &usize, origin_y: &usize, direction: &(i32, i32)) -> Option<(usize, usize)> {
 
-        let mut hit = false;
         let mut x = *origin_x as i32;
         let mut y = *origin_y as i32;
-        while !hit {
+        loop {
 
 
             x = x + direction.0;
@@ -158,7 +154,6 @@ impl Seats {
                 return Option::Some((x as usize, y as usize));
             }
         }
-        return Option::None;
     }
 
     fn is_valid(&self, x: &i32, y: &i32) -> bool {
@@ -205,6 +200,7 @@ impl Seats {
         self.grid[x + y * self.width] = state;
     }
 
+    #[allow(dead_code)]
     fn print(&self) {
 
         for y in 0..self.height {

src/util.rs

@@ -10,12 +10,4 @@ pub fn read_file(filename: &str) -> Vec<String> {
 
     res
 
-}
-
-pub fn add_to_usize(u: usize, i: i32) -> usize {
-    if i.is_negative() {
-        u - i.wrapping_abs() as u32 as usize
-    } else {
-        u + i as usize
-    }
 }