This is what I love about Lisp

After having used Lisp in “anger” for nearly 30 years, there are still some things that I learn every day that I didn’t know before…

Here’s one I discovered today, ARRAY-IN-BOUNDS-P, which checks whether proposed multidimensional indices are in proper index range in each dimension. 

I discovered this today by finding a source for the 8-Queens problem (a tired old teaching example), during a foray into comparative language exploration between Scheme and Lisp. I had spent the day dealing with continuation-less Lisp in the face of nondeterministic problem solving, and this was an incidental item.

You gotta love Lisp!

- DM


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