From 10ace7d99aa3d2a26beb14d5cd4b080b88619ed2 Mon Sep 17 00:00:00 2001
From: Alpha Chen <alpha@kejadlen.dev>
Date: Tue, 10 Dec 2019 21:28:06 -0800
Subject: [PATCH] [2019][ruby][11.x] use sum instead of a block

---
 2019/ruby/day_11.rb | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/2019/ruby/day_11.rb b/2019/ruby/day_11.rb
index be15da5..7accfe2 100644
--- a/2019/ruby/day_11.rb
+++ b/2019/ruby/day_11.rb
@@ -35,7 +35,7 @@ t = Thread.new {
             when :down  then [ 0, -1]
             when :left  then [-1,  0]
             end
-    robot.panel = robot.panel.zip(delta).map {|a,b| a + b }
+    robot.panel = robot.panel.zip(delta).map(&:sum)
   end
 }