I think that reduction and fold were featured in early LISP versions, and pre-date the publication of A Programming Language. Of course, that doesn't explain why early LISPs aren't citied in the discussions to which you refer.
On 3 November 2012 20:29, Raul Miller <[email protected]> wrote: > On Sat, Nov 3, 2012 at 4:23 PM, Boyko Bantchev <[email protected]> wrote: > > Google for any of 'point-free programming', 'algebra of programming', > > 'Bird-Meertens formalism' (cata-, ana-, para- etc. morphisms) -- > > you'll see everywhere a lot of variable-free functions and Haskell > > (and not much mentioning of APL and J). > > Yes, I have noticed that about the literature. > > It's particularly striking to me when I see APL-ish (or J-ish) topics > mentioned -- discussions of reduction or folds for example -- with a > references dating back to the '80s, and no mention of Iverson's work. > > -- > Raul > ---------------------------------------------------------------------- > For information about J forums see http://www.jsoftware.com/forums.htm > -- http://quick2wire.com enhance your Raspberry Pi ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm
