diff --git a/aoc_2021/src/day_03.rs b/aoc_2021/src/day_03.rs
index 844b021..08bb4ea 100644
--- a/aoc_2021/src/day_03.rs
+++ b/aoc_2021/src/day_03.rs
@@ -50,12 +50,12 @@ impl Solution for Day03 {
             // Filter Oxygen
             let imax = get_imax(&oxygen_raw, i);
             oxygen_raw = gen_raw(oxygen_raw, num_len, &oxygen_keep);
-            oxygen_keep.retain(|x| x.chars().into_iter().nth(i).unwrap() == imax);
+            oxygen_keep.retain(|x| x.chars().nth(i).unwrap() == imax);
 
             // Filter Co2
             let imax = get_imax(&co2_raw, i);
             co2_raw = gen_raw(co2_raw, num_len, &co2_keep);
-            co2_keep.retain(|x| x.chars().into_iter().nth(i).unwrap() != imax);
+            co2_keep.retain(|x| x.chars().nth(i).unwrap() != imax);
 
             if oxygen_keep.len() == 1 {
                 oxygen_gen = isize::from_str_radix(oxygen_keep.first().unwrap(), 2).unwrap();
diff --git a/aoc_2021/src/day_10.rs b/aoc_2021/src/day_10.rs
index 3a18f7f..0cb1b88 100644
--- a/aoc_2021/src/day_10.rs
+++ b/aoc_2021/src/day_10.rs
@@ -58,8 +58,7 @@ impl Solution for Day10 {
 
             if !is_corrupted {
                 let mut score = 0;
-                while !queue.is_empty() {
-                    let ch = queue.pop().unwrap();
+                while let Some(ch) = queue.pop() {
                     score = 5 * score
                         + match ch {
                             ')' => 1,
diff --git a/aoc_2022/src/day_05.rs b/aoc_2022/src/day_05.rs
index ddca8de..9dc88ac 100644
--- a/aoc_2022/src/day_05.rs
+++ b/aoc_2022/src/day_05.rs
@@ -8,11 +8,11 @@ impl Solution for Day05 {
     }
 
     fn part_a(&self, input: &str) -> Answer {
-        process(&input, true).into()
+        process(input, true).into()
     }
 
     fn part_b(&self, input: &str) -> Answer {
-        process(&input, false).into()
+        process(input, false).into()
     }
 }
 
diff --git a/aoc_2022/src/day_18.rs b/aoc_2022/src/day_18.rs
index e7035c6..62eedfb 100644
--- a/aoc_2022/src/day_18.rs
+++ b/aoc_2022/src/day_18.rs
@@ -56,7 +56,7 @@ const NEIGHBORS: [Point3; 6] = [
 impl World {
     fn parse(raw: &str) -> Self {
         Self {
-            points: HashSet::from_iter(parse(raw).into_iter()),
+            points: HashSet::from_iter(parse(raw)),
         }
     }
 
diff --git a/common/src/misc.rs b/common/src/misc.rs
index 6dc1a4f..503ce96 100644
--- a/common/src/misc.rs
+++ b/common/src/misc.rs
@@ -9,5 +9,5 @@ pub fn load(year: u32, day: u32) -> io::Result<String> {
 /// Load the input for the given year and day.
 pub fn load_raw(year: u32, day: u32) -> io::Result<String> {
     let file = format!("data/{year}/{:02}.txt", day);
-    fs::read_to_string(&file)
+    fs::read_to_string(file)
 }
diff --git a/scaffold/src/formatter.rs b/scaffold/src/formatter.rs
index fae91f4..e4c92b1 100644
--- a/scaffold/src/formatter.rs
+++ b/scaffold/src/formatter.rs
@@ -10,7 +10,7 @@ pub struct Formatter {
 }
 
 #[derive(Debug)]
-enum Component {
+pub enum Component {
     Literal(String),
     Format {
         name: String,
@@ -19,7 +19,7 @@ enum Component {
 }
 
 #[derive(Debug)]
-enum Processor {
+pub enum Processor {
     Pad { width: usize },
     Uppercase,
 }
diff --git a/scaffold/todo.md b/scaffold/todo.md
index f5055f8..06a8914 100644
--- a/scaffold/todo.md
+++ b/scaffold/todo.md
@@ -1,11 +1,12 @@
 # Todo
 
-- [ ] Formatter
-- [ ] Commands
-  - [ ] Init
+- [x] Formatter
+- [x] Commands
+  - [x] Init
     - [x] Scaffold
-    - [ ] Module
+    - [x] Module
     - [x] Input
   - [x] Verify
   - [x] Token
   - [x] Timer
+- [ ] Allow not filling the solution array
diff --git a/src/main.rs b/src/main.rs
index 8e586ea..f5e412a 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -63,7 +63,7 @@ fn get_year(year: u32) -> &'static [&'static dyn Solution] {
     match year {
         2021 => &aoc_2021::ALL,
         2022 => &aoc_2022::ALL,
-        2023 => &aoc_2023::ALL,
+        2023 => aoc_2023::ALL,
         _ => &[],
     }
 }