Rakefile in value_struct-0.7.0 vs Rakefile in value_struct-0.8.0

@@ -1,9 +1,7 @@
 # encoding: utf-8
 
-require 'rubygems'
-
 begin
   require 'bundler'
 rescue LoadError => e
   warn e.message
   warn "Run `gem install bundler` to install Bundler."
@@ -18,17 +16,30 @@
   exit e.status_code
 end
 
 require 'rake'
 
+# - - -
+
 require 'rubygems/tasks'
 Gem::Tasks.new
 
+# - - -
+
 require 'rspec/core/rake_task'
 RSpec::Core::RakeTask.new
 
 task :test    => :spec
 task :default => :spec
 
+# - - -
+
 require 'yard'
-YARD::Rake::YardocTask.new  
+YARD::Rake::YardocTask.new
 task :doc => :yard
+
+# - - -
+
+desc 'compare ValueStruct with similar implementations'
+task :benchmark do
+  ruby 'spec/benchmark.rb'
+end