Day10: tuples are iterable.

2020-12-07 17:06:30 -08:00 · 2020-12-07 17:06:30 -08:00 · f052d8ef78
commit f052d8ef78
parent 8a7eab81e0
1 changed files with 1 additions and 5 deletions
--- 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