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  • 4 years ago

Problem Lec.16.1: Delq doesn't seem to work within my Siblings code. Doing Eval Tests shows that Delq should work, but it isn't working within my code. ((SIBLINGS) (lambda () (let ((results (append (ask (ask self 'mother) 'children) (ask (ask self 'father) 'children)))) (if (delq (ask self 'NAME) (remove-duplicates results)) (delq (ask self 'NAME) (remove-duplicates results)) #f))))

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