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IWETHEY Home / IWETHEY Board / Theory and Practice of Programming Forum / Smalltalk was 71
Post #274,707
by crazy
12/3/06 7:15:56 PM
Reply
New Smalltalk was 71
[link|http://www.levenez.com/lang/history.html#03|http://www.levenez.c...g/history.html#03]

Don't bother quoting Codd's math notation. Not implemented == not exists.

You may now put your pipe down.
Post #274,708
by ChrisR
12/3/06 7:24:49 PM
12/3/06 7:28:35 PM
Reply
New Some context...
Map, Filter, and Reduce are morphisms arising from mathematics. Likely that if you want to find the first use in programming languages, you'd probably find them in Lisp. But then Smalltalk was heavily influenced by Lisp (and Algol), so that wouldn't be surprising.

Map applies a function over a collection. Filter applies a predicate to a collection and returns a subset where the predicate is true. Reduce is a fold of a collection.

Guess I should also reuse my explanation of [link|http://z.iwethey.org/forums/render/content/show?contentid=247589|Higher Order Functions] in an earlier thread.
Expand Edited by ChrisR Dec. 3, 2006, 07:28:35 PM EST
Expand All History
     The Love Bloat - Scary OOP Mess - (tablizer) - (24) - Nov. 23, 2006, 03:21:52 AM EST
         You're being religious, again - (warmachine) - (17) - Nov. 23, 2006, 09:39:58 AM EST
             You proved my point - (tablizer) - (16) - Nov. 23, 2006, 04:11:08 PM EST
                 Had to use OOP, not attribute driven, for one of my apps - (warmachine) - (15) - Nov. 23, 2006, 08:20:59 PM EST
                     Polymorphism is limited - (tablizer) - (14) - Nov. 26, 2006, 04:26:27 AM EST
                         I'm not a religious zealot - (warmachine) - (13) - Nov. 26, 2006, 08:00:42 AM EST
                             Domain things rarely divide nicely into "types" - (tablizer) - (12) - Nov. 26, 2006, 05:16:36 PM EST
                                 They divide about as neatly into types as the do into tables -NT - (tuberculosis) - (11) - Nov. 26, 2006, 11:16:55 PM EST
                                     Bull, hierarchies cannot do sets without duplication -NT - (tablizer) - (10) - Nov. 27, 2006, 12:30:12 AM EST
                                         I have no idea what you are talking about - (tuberculosis) - (9) - Nov. 27, 2006, 01:23:52 AM EST
                                             Take sample sets and try to turn them into trees - (tablizer) - (8) - Nov. 28, 2006, 12:14:06 AM EST
                                                 Why would I do that? - (tuberculosis) - (7) - Nov. 28, 2006, 12:43:09 AM EST
                                                     Reinventing query languages in Smalltalk again? - (tablizer) - (6) - Nov. 28, 2006, 05:44:13 PM EST
                                                         Smalltalk queries/collection operations predate SQL - (tuberculosis) - (5) - Nov. 28, 2006, 07:19:27 PM EST
                                                             It does not predate OTHER relational languages -NT - (tablizer) - (4) - Nov. 29, 2006, 01:57:56 AM EST
                                                                 What are you NUTS? - (folkert) - (3) - Nov. 29, 2006, 04:01:51 AM EST
                                                                     First relational languages appeared in the early 70's - (tablizer) - (2) - Dec. 3, 2006, 05:51:24 PM EST
                                                                         Smalltalk was 71 - (crazy) - (1) - Dec. 3, 2006, 07:15:56 PM EST
                                                                             Some context... - (ChrisR) - Dec. 3, 2006, 07:28:35 PM EST
         Java is not OO. - (tuberculosis) - (1) - Nov. 23, 2006, 05:25:31 PM EST
             Can't tell because there are too many definitions of OO - (tablizer) - Nov. 26, 2006, 03:54:00 AM EST
         We've had this argument before. - (static) - (3) - Nov. 23, 2006, 07:33:34 PM EST
             Prove it by showing me "difficult" procedural code - (tablizer) - (2) - Nov. 26, 2006, 03:55:48 AM EST
                 You don't pay me well enough to code that. -NT - (static) - (1) - Nov. 26, 2006, 05:23:32 AM EST
                     I didn't pay you to make unsubstantiated claims either - (tablizer) - Nov. 26, 2006, 05:07:19 PM EST

Due to a vast miscalculation, it was accidentally swallowed by a small dog.
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