[FRIAM] What is an object?
Alfredo Covaleda Vélez
alfredo at covaleda.co
Wed Jul 18 00:09:18 EDT 2018
I do not know if Alan Kay created the term object in the context of
programming but he was a pioneer of OOP when created Smalltalk. These are
few paragraphs where Kay is cited in relation to the term object and
concept is explained.
https://www.yegor256.com/2017/12/12/alan-kay-was-wrong.html
Felicidades para todos.
On Tue, Jul 17, 2018 at 10:19 PM, Marcus Daniels <marcus at snoutfarm.com>
wrote:
> One can also have procedures bound to types where the procedures are
> pure.
> OOP does not imply methods that have privileged access to state, although
> this is common with languages like C++ and Java.
> In contrast, a method (or type bound procedure) can have privileged access
> to the meaning of state when state is provided (as an argument).
> Haskell basically requires this approach and Fortran 2008 facilitates it.
>
> On 7/17/18, 9:05 PM, "Friam on behalf of Russell Standish" <
> friam-bounces at redfish.com on behalf of lists at hpcoders.com.au> wrote:
>
> Not sure about "utility"/"tool", but an object is distinguished from a
> function by having state. Call an object's method, and the method's
> scope is populated by the object's data members, which of course,
> differ from object to object.
>
> By contrast a function either has no state (pure function), or its
> state is global (same for every function invocation).
>
> Cheers
>
> On Tue, Jul 17, 2018 at 10:06:57PM -0400, Nick Thompson wrote:
> > Dave, and anybody else who wants to play.
> >
> >
> >
> > I have always been puzzled by the question of how one distinguishes
> an
> > object in object programming from a utility in DOS or a tool in
> Matlab. Or
> > any mathematical function, for that matter. You give it what it
> needs, and
> > it gives you what it's supposed to, and you don't give a damn how it
> works.
> >
> >
> >
> > Please don't yell at me.
> >
> >
> >
> > Nick
> >
> >
> >
> > Nicholas S. Thompson
> >
> > Emeritus Professor of Psychology and Biology
> >
> > Clark University
> >
> > http://home.earthlink.net/~nickthompson/naturaldesigns/
> >
> >
> >
>
> > ============================================================
> > FRIAM Applied Complexity Group listserv
> > Meets Fridays 9a-11:30 at cafe at St. John's College
> > to unsubscribe http://redfish.com/mailman/listinfo/friam_redfish.com
> > FRIAM-COMIC http://friam-comic.blogspot.com/ by Dr. Strangelove
>
>
> --
>
> ------------------------------------------------------------
> ----------------
> Dr Russell Standish Phone 0425 253119 (mobile)
> Principal, High Performance Coders
> Visiting Senior Research Fellow hpcoder at hpcoders.com.au
> Economics, Kingston University http://www.hpcoders.com.au
> ------------------------------------------------------------
> ----------------
>
> ============================================================
> FRIAM Applied Complexity Group listserv
> Meets Fridays 9a-11:30 at cafe at St. John's College
> to unsubscribe http://redfish.com/mailman/listinfo/friam_redfish.com
> FRIAM-COMIC http://friam-comic.blogspot.com/ by Dr. Strangelove
>
>
> ============================================================
> FRIAM Applied Complexity Group listserv
> Meets Fridays 9a-11:30 at cafe at St. John's College
> to unsubscribe http://redfish.com/mailman/listinfo/friam_redfish.com
> FRIAM-COMIC http://friam-comic.blogspot.com/ by Dr. Strangelove
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://redfish.com/pipermail/friam_redfish.com/attachments/20180717/4fa39e06/attachment.html>
More information about the Friam
mailing list