From cb67e0bd9c4382b916e7b2401bfbe7b01786da1c Mon Sep 17 00:00:00 2001
From: kazu <kazu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Mon, 30 Apr 2018 10:01:08 +0000
Subject: [PATCH] Use `&.` instead of modifier if

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@63306 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 lib/open3.rb | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/lib/open3.rb b/lib/open3.rb
index 2bbead2951..df34e2c9ce 100644
--- a/lib/open3.rb
+++ b/lib/open3.rb
@@ -657,8 +657,8 @@ module Open3
       end
       pid = spawn(*cmd, cmd_opts)
       wait_thrs << Process.detach(pid)
-      r.close if r
-      w2.close if w2
+      r&.close
+      w2&.close
       r = r2
     }
     result = parent_io + [wait_thrs]