Rakefile in konstructor-0.3.0 vs Rakefile in konstructor-0.4.0

@@ -2,5 +2,75 @@
 require "rspec/core/rake_task"
 
 RSpec::Core::RakeTask.new(:spec)
 
 task :default => :spec
+
+task :benchmark do
+  require 'konstructor'
+  require 'benchmark'
+
+  n = 10000
+
+  Benchmark.bm(30) do |x|
+    x.report('def:') do
+      n.times do
+        Class.new do
+          def one; end
+          def two; end
+          def three; end
+          def four; end
+          def five; end
+        end
+      end
+    end
+    x.report('attr_accessor:') do
+      n.times do
+        Class.new do
+          attr_accessor :one, :two, :three, :four, :five
+        end
+      end
+    end
+    x.report('konstructor after:') do
+      n.times do
+        Class.new do
+          def one; end
+          def two; end
+          def three; end
+          def four; end
+          def five; end
+
+          konstructor :one, :two, :three, :four, :five
+        end
+      end
+    end
+    x.report('konstructor before:') do
+      n.times do
+        Class.new do
+          konstructor :one, :two, :three, :four, :five
+
+          def one; end
+          def two; end
+          def three; end
+          def four; end
+          def five; end
+        end
+      end
+    end
+    x.report('konstructor nameless:') do
+      n.times do
+        Class.new do
+          konstructor
+          def one; end
+          konstructor
+          def two; end
+          konstructor
+          def three; end
+          konstructor
+          def four; end
+          konstructor
+          def five; end
+        end
+      end
+    end
+  end
+end
\ No newline at end of file