From 5a6947af2ce94befb98892c8a0baa7227f068e05 Mon Sep 17 00:00:00 2001
From: onyx-and-iris <code@onyxandiris.online>
Date: Wed, 25 Dec 2024 21:01:35 +0000
Subject: [PATCH] move enqueue(ns[dir]) into loop

---
 day-15/internal/two/explore.go | 26 ++++++++++----------------
 1 file changed, 10 insertions(+), 16 deletions(-)

diff --git a/day-15/internal/two/explore.go b/day-15/internal/two/explore.go
index cf4c32e..83d21e5 100644
--- a/day-15/internal/two/explore.go
+++ b/day-15/internal/two/explore.go
@@ -47,36 +47,30 @@ func exploreBFS(graph *graph, dir direction) (*orderedmap.OrderedMap[point, stru
 		case '#':
 			return om, false
 		case '[', ']':
-			log.Debugf("adding %s to the queue", string(graph.valueAt(ns[dir])))
-			queue.Enqueue(ns[dir])
-			_, ok := om.Get(ns[dir])
-			if !ok {
-				om.Set(ns[dir], struct{}{})
-			}
+			nextDirections := []direction{dir}
 
-			var additionalDirections []direction
 			if graph.valueAt(ns[dir]) == '[' {
 				switch dir {
 				case N:
-					additionalDirections = []direction{NE}
+					nextDirections = append(nextDirections, NE)
 				case S:
-					additionalDirections = []direction{SE}
+					nextDirections = append(nextDirections, SE)
 				}
 			} else if graph.valueAt(ns[dir]) == ']' {
 				switch dir {
 				case N:
-					additionalDirections = []direction{NW}
+					nextDirections = append(nextDirections, NW)
 				case S:
-					additionalDirections = []direction{SW}
+					nextDirections = append(nextDirections, SW)
 				}
 			}
 
-			for _, dir := range additionalDirections {
-				log.Debugf("adding %s to the queue", string(graph.valueAt(ns[dir])))
-				queue.Enqueue(ns[dir])
-				_, ok := om.Get(ns[dir])
+			for _, nextDirection := range nextDirections {
+				log.Debugf("adding %s to the queue", string(graph.valueAt(ns[nextDirection])))
+				queue.Enqueue(ns[nextDirection])
+				_, ok := om.Get(ns[nextDirection])
 				if !ok {
-					om.Set(ns[dir], struct{}{})
+					om.Set(ns[nextDirection], struct{}{})
 				}
 			}
 		}