Use &. instead of modifier if

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@56873 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2016-11-22 13:11:43 +00:00 · 2016-11-22 13:11:43 +00:00 · a53fe773d6
commit a53fe773d6
parent b920d9545c
1 changed files with 1 additions and 1 deletions
--- a/lib/resolv.rb
+++ b/lib/resolv.rb
@ -722,7 +722,7 @@ class Resolv
      def close
        socks = @socks
        @socks = nil
-        socks.each(&:close) if socks
+        socks&.each(&:close)
      end

      class Sender # :nodoc: