View difference between Paste ID: LZhbNftZ and zu5rdpaU

 module A
 	def a1
 	end
 	def a2
 	end
 end
 
 module B
 	def b1
 	end
 	def b2
 	end
 end
 
 class Sample
 	include A
 	include B
 	def s1
 	end
-end
+
 
 y = Trig.sin(Trig::PI/4)