fix: Allow dead code again but disallow unused

aoc_2025/src/day1.rs

@@ -1,4 +1,4 @@
-use crate::{AoC, Day, SimpleDay, WinnowDay};
+use crate::{AoC, SimpleDay};
 use winnow::{
     Parser, Result,
     ascii::{digit1, multispace0},
@@ -55,8 +55,8 @@ fn part2(input: Parsed) -> String {
     let input = input
         .iter()
         .flat_map(|side| match side {
-            Side::Left(dx) => (0..*dx).map(|i| Side::Left(1)).collect::<Vec<Side>>(),
-            Side::Right(dx) => (0..*dx).map(|i| Side::Right(1)).collect::<Vec<Side>>(),
+            Side::Left(dx) => (0..*dx).map(|_| Side::Left(1)).collect::<Vec<Side>>(),
+            Side::Right(dx) => (0..*dx).map(|_| Side::Right(1)).collect::<Vec<Side>>(),
         })
         .collect::<Vec<Side>>();
     let mut res = 0;
@@ -75,6 +75,8 @@ fn part2(input: Parsed) -> String {
 
 #[cfg(test)]
 mod tests {
+    use crate::Day;
+
     use super::*;
 
     #[test]

aoc_2025/src/day2.rs

@@ -1,4 +1,4 @@
-use crate::{AoC, Day, SimpleDay, WinnowDay};
+use crate::{AoC, SimpleDay};
 use winnow::{
     Parser, Result,
     ascii::digit1,
@@ -44,7 +44,7 @@ fn part2(input: Parsed) -> String {
         .map(|(from, to)| {
             (*from..=*to)
                 .filter(|i| {
-                    let n = (i.ilog10() + 1);
+                    let n = i.ilog10() + 1;
                     (1..=(n >> 1)).filter(|p| n % p == 0).any(|p| {
                         (1..(n / p))
                             .all(|s| i % 10u64.pow(p) == (i / 10u64.pow(p * s)) % 10u64.pow(p))
@@ -58,6 +58,8 @@ fn part2(input: Parsed) -> String {
 
 #[cfg(test)]
 mod tests {
+    use crate::Day;
+
     use super::*;
 
     #[test]

aoc_2025/src/day3.rs

@@ -1,6 +1,6 @@
 use std::iter::Sum;
 
-use crate::{AoC, Day, SimpleDay, WinnowDay};
+use crate::{AoC, WinnowDay};
 use winnow::{
     Parser, Result,
     ascii::newline,
@@ -13,7 +13,7 @@ fn day() -> impl WinnowDay {
     AoC::new(parse as _, part1 as _, part2 as _)
 }
 
-fn parse<'a, 'b>(input: &'a mut &'b str) -> Result<Vec<Vec<usize>>> {
+fn parse(input: &mut &str) -> Result<Vec<Vec<usize>>> {
     repeat(1.., parse_line).parse_next(input)
 }
 
@@ -62,6 +62,8 @@ fn joltage<
 
 #[cfg(test)]
 mod tests {
+    use crate::Day;
+
     use super::*;
 
     #[test]

aoc_2025/src/lib.rs

@@ -1,5 +1,4 @@
-// #![allow(dead_code)]
-// #![allow(unused)]
+#![allow(dead_code)]
 
 use std::fmt::{Debug, Display};
 

aoc_2025/src/template.rs

@@ -22,6 +22,8 @@ fn part2(input: Parsed) -> usize {
 
 #[cfg(test)]
 mod tests {
+    use crate::Day;
+
     use super::*;
 
     #[test]