From f052d8ef786224f7829b1d7ff2735b1695485dbc Mon Sep 17 00:00:00 2001
From: Danila Fedorin <danila.fedorin@gmail.com>
Date: Mon, 7 Dec 2020 17:06:30 -0800
Subject: [PATCH] Day10: tuples are iterable.

---
 day10.cr | 6 +-----
 1 file changed, 1 insertion(+), 5 deletions(-)

diff --git a/day10.cr b/day10.cr
index 13641f2..cb11d7c 100644
--- a/day10.cr
+++ b/day10.cr
@@ -12,10 +12,6 @@ struct Tuple(*T)
   def -(other)
     {self[0]-other[0], self[1] - other[1]}
   end
-
-  def dist
-    self[0] + self[1]
-  end
 end
 
 input = input(2019, 10)
@@ -53,7 +49,7 @@ end
 angle_groups.delete({0,0})
 angle_groups.each do |k, v|
   v.sort! do |a|
-    (a - p2s).dist
+    (a - p2s).sum
   end
 end