connection.rb in ruby-kafka-0.6.0

- old
+ new

@@ -1,4 +1,6 @@
+# frozen_string_literal: true
+
 require "stringio"
 require "kafka/socket_with_timeout"
 require "kafka/ssl_socket_with_timeout"
 require "kafka/protocol/request_message"
 require "kafka/protocol/encoder"