Thursday, July 2

An Implementation of J

The Iverson Software folks have put up a free copy of their original book documenting J source code:

http://www.jsoftware.com/books/pdf/aioj.pdf

It's all pictures, so not searchable as text without OCR (but text search traditionally has been horrible in its treatment of J so there is some poetic justice here...).

Related:

http://r-nd-m.blogspot.com/2012/03/2-3-nb-five.html

http://r-nd-m.blogspot.com/2012/03/1-2-3-nb-six.html

(I had a few people tell me they wanted to see more of that kind of thing. I have not mustered enough round tuits to go there, but this is a step in that direction, and this book has been an important part of my internal understanding of the language implementation.)

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