On Thu, 2011-07-21 at 23:03 -0400, Jeff Dik wrote:
> On Tue, Jul 19, 2011 at 9:04 PM, daly <d...@axiom-developer.org> wrote:
> > On Tue, 2011-07-19 at 20:14 -0400, Adam Richardson wrote:
> >> On Tue, Jul 19, 2011 at 6:23 PM, Brian Hurt <bhur...@gmail.com> wrote:
> >>         What's this awk-a-mel he speaks of?  Ocaml, pronounced
> >>         oh-camel, I
> >>         know very well, but I've never heard of this awk-a-mel.  :-)
> >>
> >>         Seriously, his pronunciation of "ocaml" highlights, I think,
> >>         the core
> >>         problem of his talk.  There has been significant development
> >>         in
> >>         languages, just not in the popular languages.  It's been over
> >>         there in
> >>         the "fringe" languages.
> >>
> >>
> >> I will confess that as I listened to the presentation (when I got the
> >> email with Tim's link, I just started the video while I was working on
> >> some drudgery), I felt like he missed some of the language features
> >> promoted in functional languages.
> >>
> >>
> >> He worded functional programming contributions in terms of advancing
> >> the idea of limiting/protecting variable assignment (immutability),
> >> and to me, that's missing the points of first class functions (which,
> >> in light of what he says OOP languages brought to the table, actually
> >> provided protected function pointers through purely functional
> >> languages without any need for OOP) and an emphasis on function purity
> >> and limiting the scope of unpure functions (to me, this goes beyond
> >> merely protecting assignment.)
> >>
> >>
> >> These omissions, coupled with the mispronunciations of functional
> >> programming language names, and the value placed on the last language
> >> being homoiconic (without much justification) had me wondering how
> >> much he actually has used languages such as OCaml or Haskell.
> >
> > Homoiconic representation is fundamentally important and lacking
> > in other languages. The programs == data idea is what makes the
> > macro facility work, allows dynamic program construction, compile
> > to core, etc. There is a story going around that McCarthy attended
> > a python talk where they made the claim that python IS a lisp-like
> > language. John pointed out that if it lacks homoiconicity it cannot
> > be a lisp. (I probably have the details wrong).
> 
> Perhaps the last 6 or 7 paragraphs to
> http://smuglispweeny.blogspot.com/2008/02/ooh-ooh-my-turn-why-lisp.html?
> 
> Jeff

Yes, that's the story. --Tim

> 
> >
> > OCaml came from ML but the ideas came before either one. Lisp supported
> > functional programming long before either language. I believe the point
> > Robert was trying to make was that very few languages have increased our
> > stock of fundamental ideas. OCaml is not one of them.
> >
> > Indeed languages (like Spad) built on lisp STILL support ideas I have
> > not seen anywhere else (e.g. dispatching on the return type as well as
> > the argument types).
> >
> > Robert suggests that we need to develop a standard language.
> > Good luck with that.
> >
> > I participated in the reviews of the X3J13 Common Lisp standard
> > (behind the scenes by passing on my comments and markups to people who
> > had the proposal directly). Trying to define a "standard programming
> > language" would be the ultimate language war. It has been tried several
> > times before (PL/I included everything and C++0xxxxx is trying hard to
> > include everything).
> >
> > At best I believe we will muddle along and I will continue to be
> > rejected during job interviews for working in python 2.7 and not
> > "knowing" python 3.0. Forty years of lisp programming just makes
> > me too old to hire for any "real" programming job. Heck, I probably
> > don't know the difference between OCaml and awk-a-mel so I clearly
> > cannot program. :-)
> >
> >
> >>
> >>
> >> I don't need to know how many digits somebody can recite Pi to, but I
> >> would like to know how his experience with awk-a-mel lead him to
> >> believe that functional programming comes down to protecting variable
> >> assignment :)
> >>
> >>
> >> That all said, if Clojure is the seed for the last language, I'd be a
> >> happy man.
> >
> > I believe that Robert missed the fundamental point though. It is
> > NOT just the space of ideas that makes lisp "the right language".
> > Another key reason is "impedance matching". (An impedance mismatch
> > is when you hook a soda straw to a firehose).
> >
> > Programs exist to bridge the gap between the idea domain and the
> > machine domain. Some languages are close to the machine, like assembler,
> > so you have to "carry your idea" all the way to the machine. Some
> > languages are close to the problem (e.g. Mathematica) but the compiler
> > has to cross the gap to the machine. This is where the ability to
> > create domain-specific languages in the same syntax matters.
> >
> > Lisp is the only language I know that allows you to work across the
> > whole spectrum in a single language. It is possible to say
> >   (integrate (car x))
> > which takes the 0 displacement off the x pointer (machine) and then
> > does a mathematical integration routine (problem) and does it all with
> > the same syntax and semantics.
> >
> > I wouldn't worry that we will stop creating new languages.
> > We have yet to explore the space of unicode replacements for the
> > semi-colon (although Fortress is starting). Kanji semi-colons.
> > I can't wait!
> >
> > Tim Daly
> >
> >
> >
> > --
> > You received this message because you are subscribed to the Google
> > Groups "Clojure" group.
> > To post to this group, send email to clojure@googlegroups.com
> > Note that posts from new members are moderated - please be patient with 
> > your first post.
> > To unsubscribe from this group, send email to
> > clojure+unsubscr...@googlegroups.com
> > For more options, visit this group at
> > http://groups.google.com/group/clojure?hl=en
> 


-- 
You received this message because you are subscribed to the Google
Groups "Clojure" group.
To post to this group, send email to clojure@googlegroups.com
Note that posts from new members are moderated - please be patient with your 
first post.
To unsubscribe from this group, send email to
clojure+unsubscr...@googlegroups.com
For more options, visit this group at
http://groups.google.com/group/clojure?hl=en

Reply via email to