From 1715e821fb75b39d443f11d8c622351dfc9b890a Mon Sep 17 00:00:00 2001
From: Christian <me@ctsk.xyz>
Date: Tue, 10 Dec 2024 14:06:45 +0100
Subject: [PATCH] Use library methods

---
 aoc/src/dev/ctsk/aoc/days/Day05.scala | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/aoc/src/dev/ctsk/aoc/days/Day05.scala b/aoc/src/dev/ctsk/aoc/days/Day05.scala
index 90b1f4a..436331c 100644
--- a/aoc/src/dev/ctsk/aoc/days/Day05.scala
+++ b/aoc/src/dev/ctsk/aoc/days/Day05.scala
@@ -24,9 +24,7 @@ object Day05 extends Solver(5):
 
     @nowarn("msg=match may not be exhaustive")
     def isOrdered(u: Vector[Int]): Boolean =
-      !u.combinations(2).exists { case Seq(a, b) =>
-        rules.contains((b, a))
-      }
+      !u.pairs.exists((a, b) => rules.contains((b, a)))
 
     def findMiddle(u: Vector[Int]): Int =
       u.find(e =>