lib/numb/parasitic.rb in numb-0.72.1 vs lib/numb/parasitic.rb in numb-0.77.0

@@ -2,9 +2,9 @@
 class Integer
   def parasitic?(n=nil)
     return (1..9).any?{|x| parasitic?(x)} if n.nil?
     return true if (n == 1 && self == 1)
     return false unless self > 9
-    raise ArgumentError unless (n > 0 && n < 10)
+    raise ArgumentError unless (n.positive? && n < 10)
     (n*self) == [digits.last, digits[0..-2]].join.to_i
   end
 end