lib/sugar-high/array.rb in sugar-high-0.4.4.1 vs lib/sugar-high/array.rb in sugar-high-0.4.4.2

@@ -89,18 +89,20 @@
   end 
 
   def extract(sym)
    map { |e| e.send(sym) }
   end
+end
 
+module MathArray
   def sum
    inject( 0 ) { |sum,x| sum + x }
   end
 
   def mean
    (size > 0) ? sum.to_f / size : 0
   end 
-end
+end  
 
 module FilesArray
   def delete_all!
     self.each do |f| 
       f.delete! if f.kind_of?(File)