The class AttrList has been changed completely from Hjulstad's
implementation of RGEN. It now consists of linked lists, as shown in
Figure 
. The structure contains all information
given in the dictionary file. In this example, two attributes are
used, Size and Color. Size is large or medium, and
Color is either red or blue. The classes AttrMapList and
AttrMap are used by AttrList.
Figure: The structure used for attribute value mapping.