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David,
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<div>Thanks very much for your insightful response. I am a huge fan of Mark Miller's work as well, and my admiration and for respect for your work goes without saying, of course. (But I will say it anyway, you are awesome :) </div>
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<div>I concur with your point about the deep differences that arise in object orient programing systems based their underlying paradigm. But to me, the fundamental idea that makes all the paradigms related, at least to some degree, is the isight about messaging
between the objects being the essence, the heart if you will, of all the paradigms. The details can diverge from there with, to your point, far ranging effect, however.</div>
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<div>Thanks again,</div>
<div>Ron <br>
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<div>On Jun 26, 2016, at 3:04 PM, David Ungar <a href="mailto:ungar@me.com">ungar@me.com</a> [self-interest] wrote:</div>
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<p>Yes, but I have a long-standing debate with Mark Miller, whom I respect beyond words. And a long-standing unease about trying to understand one paradigm in terms of another according to the sort of argument in this link.</p>
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<div class="">Here’s my canonical example: Back in the day, Schemers would tell me that Smalltalk blocks were just Scheme lambdas. Yet, in Smalltalk, every control structure uses blocks (and dynamic dispatch), while in Scheme cond is a primitive, even though
it could have been done differently. From a cognitive psych point of view, (see Women, Fire, and Dangerous Things by Lakoff IIRC), blocks are more basic than lambdas. The syntax is much shorter, and they are the fundamental building blocks of control in ST.
Even though the interpreter might look similar for the two, there are deep differences in the process of programming, the patterns people reach for, debuggability (including support by the tools), etc.</div>
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<div class="">So I always worry, when I read that sort of argument.</div>
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<div class="">Whew! Didn’t intent to rant.</div>
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<div class="">Thanks,</div>
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<div class="">On Jun 25, 2016, at 10:36 AM, 'Welch, Ronald P (US)' <a href="mailto:Ronald.P.Welch@baesystems.com" class="">
Ronald.P.Welch@BAESYSTEMS.com</a> [self-interest] <<a href="mailto:self-interest@yahoogroups.com" class="">self-interest@yahoogroups.com</a>> wrote:</div>
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<p style="margin: 0px 0px 1em;" class="">A third way of looking at objects, which I rather like, is the lambda-based perspective:</p>
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<div class="">The last paragraph quotes Dr. Alan Kay…</div>
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<div class="">On Jun 25, 2016, at 5:39 AM, Stephen De Gabrielle<span class="Apple-converted-space"> </span><a href="mailto:spdegabrielle@gmail.com" class="">spdegabrielle@gmail.com</a><span class="Apple-converted-space"> </span>[self-interest] wrote:</div>
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<div style="white-space: pre-wrap;" class="">So we have prototypes (self & JavaScript) and classes (sometimes added to JavaScript).<br class="">
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Is there another way?<br class="">
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<div dir="ltr" class="">On Sat, 25 Jun 2016 at 04:23, 'Jason Grossman'<span class="Apple-converted-space"> </span><a href="mailto:spam-me@xeny.net" class="">spam-me@xeny.net</a><span class="Apple-converted-space"> </span>[self-interest] <<a href="mailto:self-interest@yahoogroups.com" class="">self-interest@yahoogroups.com</a>>
wrote:<br class="">
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<p style="margin: 0px 0px 1em;" class="">I wrote:<br class="">
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> I just re-watched Alan Kay's famous talk "The Computer Revolution<span class="Apple-converted-space"> </span><br class="">
> Hasn't Happened Yet", and it sounds to me like a very good argument<span class="Apple-converted-space"> </span><br class="">
> against classes, although I doubt that he meant it to be!<br class="">
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<p style="margin: 0px 0px 1em;" class="">And I've just noticed that Alan Kay has recently (this week!) said:<br class="">
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> I liked Self. "Good OOP" is still waiting for a much better notion to<span class="Apple-converted-space"> </span><br class="">
> replace the idea of a "Class"<br class="">
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<a href="https://news.ycombinator.com/item?id=11939851" target="_blank" style="font-family: Verdana;" class="">https://news.ycombinator.com/item?id=11939851</a><br class="">
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Jason<br class="">
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<div dir="ltr" class="">--<span class="Apple-converted-space"> </span><br class="">
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<div dir="ltr" class="">Kind regards,<br class="">
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Bigger than Scheme, cooler than Clojure & more fun than CL.(n=1)<br class="">
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