From a2c822598a331f31e1511718acf4ad3c7b34bac2 Mon Sep 17 00:00:00 2001
From: Maciej Jur <maciej@kamoshi.org>
Date: Sat, 24 Dec 2022 12:30:34 +0100
Subject: [PATCH] 2022 day 24 rust

---
 2022/rust/src/solutions/day24.rs | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/2022/rust/src/solutions/day24.rs b/2022/rust/src/solutions/day24.rs
index fe9f3ea..59209d8 100644
--- a/2022/rust/src/solutions/day24.rs
+++ b/2022/rust/src/solutions/day24.rs
@@ -57,8 +57,8 @@ impl PartialOrd for State {
 
 fn neighbours((row, col): Pos, (rows, cols): (isize, isize)) -> impl Iterator<Item=Pos> {
     [(row, col), (row+1, col), (row-1, col), (row, col+1), (row, col-1)].into_iter()
-        .filter(move |&(n_row, n_col)|
-            (0 <= n_row || n_col == 0) && (n_row < rows || n_col == cols - 1) && 0 <= n_col && n_col < cols)
+        .filter(move |&new|
+            0 <= new.0 && new.0 < rows && 0 <= new.1 && new.1 < cols || new == (-1, 0) || new == (rows, cols-1))
 }
 
 fn manhattan(start: Pos, goal: Pos) -> isize {