add magic_frozen_string_literal comment throughout

Author: ColinDKelley

Gemfile

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 source "https://rubygems.org"
 
 gemspec

Rakefile

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 # Rakefile
 
 require 'bundler/gem_tasks'

ext/Rakefile

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require File.expand_path('../../lib/rdkafka/version', __FILE__)
 require "mini_portile2"
 require "fileutils"

lib/rdkafka.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require "rdkafka/version"
 
 require "rdkafka/abstract_handle"

lib/rdkafka/abstract_handle.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require "ffi"
 
 module Rdkafka

lib/rdkafka/admin.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 module Rdkafka
   class Admin
     # @private

lib/rdkafka/admin/create_topic_handle.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 module Rdkafka
   class Admin
     class CreateTopicHandle < AbstractHandle

lib/rdkafka/admin/create_topic_report.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 module Rdkafka
   class Admin
     class CreateTopicReport

lib/rdkafka/admin/delete_topic_handle.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 module Rdkafka
   class Admin
     class DeleteTopicHandle < AbstractHandle

lib/rdkafka/admin/delete_topic_report.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 module Rdkafka
   class Admin
     class DeleteTopicReport

lib/rdkafka/bindings.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require "ffi"
 require "json"
 require "logger"

lib/rdkafka/callbacks.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 module Rdkafka
   module Callbacks
 

lib/rdkafka/config.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require "logger"
 
 module Rdkafka

lib/rdkafka/consumer.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 module Rdkafka
   # A consumer of Kafka messages. It uses the high-level consumer approach where the Kafka
   # brokers automatically assign partitions and load balance partitions over consumers that

lib/rdkafka/consumer/headers.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 module Rdkafka
   class Consumer
     # A message headers

lib/rdkafka/consumer/message.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 module Rdkafka
   class Consumer
     # A message that was consumed from a topic.

lib/rdkafka/consumer/partition.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 module Rdkafka
   class Consumer
     # Information about a partition, used in {TopicPartitionList}.

lib/rdkafka/consumer/topic_partition_list.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 module Rdkafka
   class Consumer
     # A list of topics with their partition information

lib/rdkafka/error.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 module Rdkafka
   # Base error class.
   class BaseError < RuntimeError; end

lib/rdkafka/metadata.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 module Rdkafka
   class Metadata
     attr_reader :brokers, :topics

lib/rdkafka/producer.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require "objspace"
 
 module Rdkafka

lib/rdkafka/producer/client.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 module Rdkafka
   class Producer
     class Client

lib/rdkafka/producer/delivery_handle.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 module Rdkafka
   class Producer
     # Handle to wait for a delivery report which is returned when

lib/rdkafka/producer/delivery_report.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 module Rdkafka
   class Producer
     # Delivery report for a successfully produced message.

lib/rdkafka/version.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 module Rdkafka
   VERSION = "0.12.0"
   LIBRDKAFKA_VERSION = "1.9.0"

rdkafka.gemspec

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require File.expand_path('lib/rdkafka/version', __dir__)
 
 Gem::Specification.new do |gem|

spec/rdkafka/abstract_handle_spec.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require "spec_helper"
 
 describe Rdkafka::AbstractHandle do

spec/rdkafka/admin/create_topic_handle_spec.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require "spec_helper"
 
 describe Rdkafka::Admin::CreateTopicHandle do

spec/rdkafka/admin/create_topic_report_spec.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require "spec_helper"
 
 describe Rdkafka::Admin::CreateTopicReport do

spec/rdkafka/admin/delete_topic_handle_spec.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require "spec_helper"
 
 describe Rdkafka::Admin::DeleteTopicHandle do

spec/rdkafka/admin/delete_topic_report_spec.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require "spec_helper"
 
 describe Rdkafka::Admin::DeleteTopicReport do

spec/rdkafka/admin_spec.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require "spec_helper"
 require "ostruct"
 

spec/rdkafka/bindings_spec.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require "spec_helper"
 require 'zlib'
 

spec/rdkafka/callbacks_spec.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require "spec_helper"
 
 describe Rdkafka::Callbacks do

spec/rdkafka/config_spec.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require "spec_helper"
 
 describe Rdkafka::Config do

spec/rdkafka/consumer/message_spec.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require "spec_helper"
 
 describe Rdkafka::Consumer::Message do

spec/rdkafka/consumer/partition_spec.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require "spec_helper"
 
 describe Rdkafka::Consumer::Partition do

spec/rdkafka/consumer/topic_partition_list_spec.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require "spec_helper"
 
 describe Rdkafka::Consumer::TopicPartitionList do

spec/rdkafka/consumer_spec.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require "spec_helper"
 require "ostruct"
 require 'securerandom'

spec/rdkafka/error_spec.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require "spec_helper"
 
 describe Rdkafka::RdkafkaError do

spec/rdkafka/metadata_spec.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require "spec_helper"
 require "securerandom"
 

spec/rdkafka/producer/client_spec.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require "spec_helper"
 
 describe Rdkafka::Producer::Client do

spec/rdkafka/producer/delivery_handle_spec.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require "spec_helper"
 
 describe Rdkafka::Producer::DeliveryHandle do

spec/rdkafka/producer/delivery_report_spec.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require "spec_helper"
 
 describe Rdkafka::Producer::DeliveryReport do

spec/rdkafka/producer_spec.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require "spec_helper"
 require "zlib"
 

spec/spec_helper.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 unless ENV["CI"] == "true"
   require "simplecov"
   SimpleCov.start do