From d303f55a4e05c05fe21cb89fb5bb4ef7454cbed4 Mon Sep 17 00:00:00 2001
From: kageru <kageru@encode.moe>
Date: Thu, 15 Dec 2022 20:50:38 +0100
Subject: [PATCH] clippy

---
 2022/src/bin/day08.rs |  4 ++--
 2022/src/bin/day11.rs | 29 +++++++++++++++--------------
 2022/src/bin/day12.rs |  2 +-
 2022/src/bin/day14.rs |  4 ++--
 2022/src/common.rs    |  2 +-
 5 files changed, 21 insertions(+), 20 deletions(-)

diff --git a/2022/src/bin/day08.rs b/2022/src/bin/day08.rs
index c039925..84f0914 100644
--- a/2022/src/bin/day08.rs
+++ b/2022/src/bin/day08.rs
@@ -28,8 +28,8 @@ fn is_visible_1d<'a>(iter: impl IntoIterator<Item = &'a u8>, rev: bool) -> Vec<b
     v
 }
 
-fn transpose<T: Copy>(v: &Vec<Vec<T>>) -> Vec<Vec<T>> {
-    let mut v = v.clone();
+fn transpose<T: Copy>(v: &[Vec<T>]) -> Vec<Vec<T>> {
+    let mut v = v.to_vec();
     let size = v.len();
     for i in 0..size {
         for j in i + 1..size {
diff --git a/2022/src/bin/day11.rs b/2022/src/bin/day11.rs
index 5720c13..6d4f1de 100644
--- a/2022/src/bin/day11.rs
+++ b/2022/src/bin/day11.rs
@@ -61,21 +61,22 @@ fn monkey_business<const ITERATIONS: usize, const STRESS_REDUCTION: usize>(parse
     for _ in 0..ITERATIONS {
         let mut i = 0;
         while i < monkeys.len() {
-            let monkey = monkeys.get_mut(i).unwrap();
-            monkey.inspection_count += monkey.items.len();
-            while !monkey.items.is_empty() {
-                moved.extend(monkey.items.drain(..).map(|mut stress| {
-                    stress = match monkey.op {
-                        MonkeyOp::Add(x) => stress + x.unwrap_or(stress),
-                        MonkeyOp::Mul(x) => stress * x.unwrap_or(stress),
-                    } / STRESS_REDUCTION;
-                    if stress > lcm {
-                        stress %= lcm;
-                    }
-                    (stress, if stress % monkey.div_test == 0 { monkey.true_dst } else { monkey.false_dst })
-                }));
+            {
+                let monkey = monkeys.get_mut(i).unwrap();
+                monkey.inspection_count += monkey.items.len();
+                while !monkey.items.is_empty() {
+                    moved.extend(monkey.items.drain(..).map(|mut stress| {
+                        stress = match monkey.op {
+                            MonkeyOp::Add(x) => stress + x.unwrap_or(stress),
+                            MonkeyOp::Mul(x) => stress * x.unwrap_or(stress),
+                        } / STRESS_REDUCTION;
+                        if stress > lcm {
+                            stress %= lcm;
+                        }
+                        (stress, if stress % monkey.div_test == 0 { monkey.true_dst } else { monkey.false_dst })
+                    }));
+                }
             }
-            drop(monkey);
             for (item, dst) in moved.drain(..) {
                 monkeys.get_mut(dst).unwrap().items.push(item);
             }
diff --git a/2022/src/bin/day12.rs b/2022/src/bin/day12.rs
index c9b3883..8d896ac 100644
--- a/2022/src/bin/day12.rs
+++ b/2022/src/bin/day12.rs
@@ -11,7 +11,7 @@ use aoc2022::{
 const DAY: usize = 12;
 type Parsed = (Position2D, Position2D, VecGrid<u8>);
 
-fn find_and_modify(grid: &mut Vec<Vec<u8>>, needle: u8, replacement: u8) -> (usize, usize) {
+fn find_and_modify(grid: &mut [Vec<u8>], needle: u8, replacement: u8) -> (usize, usize) {
     grid.iter_mut()
         .enumerate()
         .find_map(|(x, line)| {
diff --git a/2022/src/bin/day14.rs b/2022/src/bin/day14.rs
index d188856..8e69a68 100644
--- a/2022/src/bin/day14.rs
+++ b/2022/src/bin/day14.rs
@@ -44,14 +44,14 @@ fn simulate((x, y): (usize, usize), cave: &Cave) -> Option<(usize, usize)> {
 
 // abusing scan here to simulate a stateful for-loop with a counter
 fn part1((cave, _): &Parsed) -> usize {
-    repeat(()).scan(cave.to_owned(), |cave, _| simulate(SAND_SOURCE, &cave).map(|(x, y)| cave[x][y] = true)).count()
+    repeat(()).scan(cave.to_owned(), |cave, _| simulate(SAND_SOURCE, cave).map(|(x, y)| cave[x][y] = true)).count()
 }
 
 fn part2((cave, max_y): &Parsed) -> usize {
     let mut cave = cave.to_owned();
     cave.iter_mut().for_each(|row| row[max_y + 2] = true);
     1 + repeat(())
-        .scan(cave, |cave, _| simulate(SAND_SOURCE, &cave).map(|(x, y)| cave[x][y] = true).filter(|_| !cave[SAND_SOURCE.0][SAND_SOURCE.1]))
+        .scan(cave, |cave, _| simulate(SAND_SOURCE, cave).map(|(x, y)| cave[x][y] = true).filter(|_| !cave[SAND_SOURCE.0][SAND_SOURCE.1]))
         .count()
 }
 
diff --git a/2022/src/common.rs b/2022/src/common.rs
index 700a60a..1206d9a 100644
--- a/2022/src/common.rs
+++ b/2022/src/common.rs
@@ -1,5 +1,5 @@
 pub fn read_file(day: usize) -> String {
-    std::fs::read_to_string(std::env::var("AOC_INPUT").unwrap_or_else(|_| format!("inputs/day{:0>2}", day))).unwrap()
+    std::fs::read_to_string(std::env::var("AOC_INPUT").unwrap_or_else(|_| format!("inputs/day{day:0>2}"))).unwrap()
 }
 
 pub fn parse_nums(l: &str) -> Vec<usize> {