ECASE

• If no case is true, ECASE signals an error.

(ecase x

(1 (print 'single))

((2 4)(print 'twin))

(3 (print 'triplet)))

"Error, 7 fell through an ECASE form. The valid cases were 1, 2, 4, and 3.

Previous slide

Next slide

Back to first slide

View graphic version