Rakefile in ruby-enum-0.2.1 vs Rakefile in ruby-enum-0.3.0

@@ -5,9 +5,12 @@
 
 require 'rspec/core'
 require 'rspec/core/rake_task'
 
 RSpec::Core::RakeTask.new(:spec) do |spec|
-  spec.pattern = FileList["spec/**/*_spec.rb"]
+  spec.pattern = FileList['spec/**/*_spec.rb']
 end
 
-task :default => :spec
+require 'rubocop/rake_task'
+Rubocop::RakeTask.new(:rubocop)
+
+task default: [:rubocop, :spec]