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Land of Lisp

Cover of Land of Lisp by Conrad Barski M.D. Published by No Starch Press
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Lisp Dialect

Common Lisp


Proper exception handling is extremely difficult. There are really only two good approaches: Don’t handle exceptions at all and just let your program die when one occurs, or handle every single exception in the most direct and specific way possible. But is it truly possible to handle every potential exception in your code? If your write Common Lisp code, it’s possible to get extremely close to this ideal goal.

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For example, suppose you write a function that raises the prices on a list of widgets. But then, while the function is processing one of the widgets in the list, there’s a memory ...

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