lib/graphviz/elements.rb in ruby-graphviz-1.0.7 vs lib/graphviz/elements.rb in ruby-graphviz-1.0.8

@@ -2,33 +2,33 @@
   class Elements
     def initialize
       @elements = Array.new
       @elements_hash_by_type = Hash.new
     end
-    
+
     def push( obj )
       @elements.push( obj )
       if @elements_hash_by_type[obj['type']].nil?
         @elements_hash_by_type[obj['type']] = Array.new
       end
-      
+
       @elements_hash_by_type[obj['type']].push( obj )
     end
-    
+
     def each( &b )
       @elements.each do |e|
         yield( e )
       end
     end
-    
+
     def size_of( type )
       if @elements_hash_by_type[type].nil?
         return 0
       else
         return @elements_hash_by_type[type].size
       end
     end
-    
+
     def []( index, type = nil )
       if type.nil?
         return @elements[index]
       else
         return @elements_hash_by_type[type][index]
\ No newline at end of file