From 06cba882b96a00dfa18d74b63d3c8e46a4deb444 Mon Sep 17 00:00:00 2001
From: Maciej Jur <maciej@kamoshi.org>
Date: Sat, 3 Dec 2022 13:49:41 +0100
Subject: [PATCH] 2022 rust day 3

---
 2022/rust/src/solutions/day03.rs | 11 ++++++-----
 1 file changed, 6 insertions(+), 5 deletions(-)

diff --git a/2022/rust/src/solutions/day03.rs b/2022/rust/src/solutions/day03.rs
index 16e354e..7afe213 100644
--- a/2022/rust/src/solutions/day03.rs
+++ b/2022/rust/src/solutions/day03.rs
@@ -24,8 +24,8 @@ fn solve2(data: &Vec<(HashSet<char>, HashSet<char>)>) -> i32 {
         .map(|(left, right)| left.union(right).cloned().collect())
         .collect::<Vec<HashSet<_>>>()
         .chunks_exact(3)
-        .map(|chunks| {
-            convert_char(find_intersection(chunks))
+        .map(|chunk| {
+            convert_char(find_intersection(chunk))
         })
         .sum()
 }
@@ -40,10 +40,11 @@ fn find_intersection(sets: &[HashSet<char>]) -> char {
     iter.next()
         .map(|set| {
             iter.fold(set, |set1, set2| {
-                set1.intersection(&set2).cloned().collect()
-            })
+                    set1.intersection(&set2).cloned().collect()
+                })
+                .into_iter()
+                .next().unwrap()
         })
-        .map(|x| *x.iter().next().unwrap())
         .unwrap()
 }