(hello

‘world)

This space reserved for jelly stains.

Finished reading those books. Actually, I read the first two within half a day of getting them, the 3rd took a while. They include footnotes as to the differences between Scheme and Common Lisp where relevant, many of which are simply to deal with CL being a Lisp-2. And they were all worth every fucking penny.

The Little Schemer was far more basic than I had expected but it did get around to covering the Y combinator, in quite an interesting way. Probably not so basic if you havn’t worked through SICP, HTDP, TSPL, and such. Heavy on recursion, only actually uses a very small subset of Scheme. It goes on to, much like SICP, write a small Scheme interpreter inside Scheme itself.

The Seasoned Schemer is pretty much what you would expect: more Scheme. Gets into let, set!, call/cc, etc…, including Y! which I don’t recall seeing before. Interesting to note, there’s a footnote for Common Lisp in chapter 19 that simply says: “This is impossible in Lisp, but Scheme can do it.”. It was referring to a particular use of letcc (aka call/cc), but it gave me a chuckle.

The Reasoned Schemer… wow. Despite being the shortest, I really had to take my time with that one. It’s pretty much entirely on using and writing a Prolog implementation in Scheme.

And if you havn’t guessed from the title of this post, they all use foods as example data, in an oft humorous way.

February 1, 2008 - Posted by | Books, Scheme

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