![]() | ANSWER TO EXERCISE 50 |
Use the invent routine to signal to short_name and article routines to change their usual habits: invent [; if (inventory_stage==1) give self general; else give self ~general; ], short_name [; if (self has general) { print "box"; rtrue; } ], article [; if (self has general) { print "that hateful"; rtrue; } else print "a"; ], |