added explanatory comments

smholloway · Feb 3, 2013 · 4d1720e · 4d1720e
1 parent 00a2c7b
commit 4d1720e
Showing 1 changed file with 6 additions and 0 deletions.
diff --git a/ruby/is_polymorphism_faster/main.rb b/ruby/is_polymorphism_faster/main.rb
@@ -1,3 +1,9 @@
+# Testing the speed of polymorphism in Ruby. This program is based on the Wikipedia article
+# http://en.wikipedia.org/wiki/Polymorphism_in_object-oriented_programming
+
+# To run: ruby main.rb <number of runs to time (optional)>
+# Example: ruby main.rb 5
+
 class Animal
   def initialize(name)
     @name = name