Answer to Exercise 21

| ANSWER TO EXERCISE 21
| Obviously, a slightly wider repertoire of actions might be a good idea, but:
    Object -> Charlotte "Charlotte"
      with name "charlotte" "charlie" "chas",
           grammar
           [;  give self ~general;
               wn=verb_wordnum;
               if (NextWord()=='simon' && NextWord()=='says')
               {   give self general;
                   verb_wordnum=verb_wordnum+2;
               }
           ],
           orders
           [ i;  if (self hasnt general) "Charlotte sticks her tongue out.";
               WaveHands: "Charlotte waves energetically.";
               default: "~Don't know how,~ says Charlotte.";
           ],
           initial "Charlotte wants to play Simon Says.",
      has  animate female proper;
(The variable `i` isn't needed yet, but will be used by the code added in the answer to the next exercise.)

Back to the exercise in section 16

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