lib/darkext/integer.rb in darkhelmet-darkext-0.10.0 vs lib/darkext/integer.rb in darkhelmet-darkext-0.11.0

@@ -1,10 +1,10 @@
 require 'darkext/array'
 
 class Integer
   # Computes the factorial of the Integer
   def fact
-    raise ArgumentError.new("Cannot compute factorial of negative number") if 0 > self
+    raise ArgumentError.new('Cannot compute factorial of negative number') if 0 > self
     return 1 if self.zero?
     return (1..self).to_a.product
   end
 end