: bloopAbs
| bl m |
   System.VERSION println

   Word find("bloop") ->bl
   bl isA(Constant) ifFalse: [ "bloop constant does not exist" println return ]

   "abs" asMethod ->m
   m ifNull: [ "abs method does not exist" println return ]

   System.Out "bloop value is : " << bl value << cr
   System.Out "bloop abs   is : " << bl value m perform << cr ;