From 9159a85282b18b21fb0456247519ccfc9fd2c230 Mon Sep 17 00:00:00 2001
From: Alan Evans <ec2-user@ip-10-0-110-53.eu-west-1.compute.internal>
Date: Thu, 9 Dec 2021 17:59:43 +0000
Subject: [PATCH] tidy up

---
 day9/day9.erl | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/day9/day9.erl b/day9/day9.erl
index 25c5547..ae181db 100644
--- a/day9/day9.erl
+++ b/day9/day9.erl
@@ -56,12 +56,12 @@ solution2(Table) ->
 
 
 get_basins(Low_points, Table) ->
-	get_basins(Low_points, Table, 0, []).
+	get_basins(Low_points, Table, []).
 
-get_basins([], _Table, _, Basins) -> Basins;
-get_basins([Low_point|Rest], Table, Count, Basins) ->
+get_basins([], _Table, Basins) -> Basins;
+get_basins([Low_point|Rest], Table, Basins) ->
   Basin = [Low_point|lists:usort(get_up_slopes([Low_point], Table))],
-  get_basins(Rest, Table, Count + 1, [Basin|Basins]).
+  get_basins(Rest, Table, [Basin|Basins]).
 
 low_points([H|_] =  Table) ->
   X = length(H),