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Ian Bicking

Posts: 900
Nickname: ianb
Registered: Apr, 2003

Ian Bicking is a freelance programmer
More Sentinels Posted: Apr 2, 2010 2:10 PM
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I’ve been casually perusing Paradigms of Artificial Intelligence Programming: Case Studies in Common Lisp. One of the things I am noticing is that Lisp traditionally has a terrible lack of sentinels: special objects denoting some kind of meaning. Specifically in Common Lisp the empty list and false and nil are all the same [...]

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