Tutorial: Haskell for the Evil Genius - Haskell-cafe

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Message from discussion Tutorial: Haskell for the Evil Genius
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Date: Fri, 14 Sep 2012 16:47:51 -0700
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From: Alexander Solla <alex.so...@gmail.com>
To: Andrew Pennebaker <andrew.penneba...@gmail.com>
Cc: Haskell Cafe <haskell-c...@haskell.org>
Subject: Re: [Haskell-cafe] Tutorial: Haskell for the Evil Genius
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On Fri, Sep 14, 2012 at 2:18 PM, Andrew Pennebaker <
andrew.penneba...@gmail.com> wrote:

> A summary of the changes I've included so far:
>
> Noted and reflected... I'm trying to convey to an audience largely
> composed of Java and C++ fanatics how Haskell records are much better than
> OOP, how GADTs are more intuitive, robust, ... OOP doesn't even compare!
> That's what I'm trying to get across in that bit. And it's hard to do this
> in just a few sentences, especially when the reader isn't even familiar
> with GADTs in the first place.
>

But, Haskell records aren't better than OOP.

I am not trying to be controversial here -- Haskell records would
"naturally" implement prototype-based OOP, like JavaScript uses, if they
(Haskell records) weren't so useless.  This is basically why "lenses" were
designed (i.e., to make consistent syntax for getters and setters)

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<br><br><div class=3D"gmail_quote">On Fri, Sep 14, 2012 at 2:18 PM, Andrew =
Pennebaker <span dir=3D"ltr">&lt;<a href=3D"mailto:andrew.pennebaker@gmail.=
com" target=3D"_blank">andrew.penneba...@gmail.com</a>&gt;</span> wrote:<br=
><blockquote class=3D"gmail_quote" style=3D"margin:0 0 0 .8ex;border-left:1=
px #ccc solid;padding-left:1ex">
<div class=3D"gmail_quote"><div>A summary of the changes I&#39;ve included =
so far:</div><div class=3D"im"><br></div><div>Noted and reflected... I&#39;=
m trying to convey to an audience largely composed of Java and C++ fanatics=
 how Haskell records are much better than OOP, how GADTs are more intuitive=
, robust, ... OOP doesn&#39;t even compare! That&#39;s what I&#39;m trying =
to get across in that bit. And it&#39;s hard to do this in just a few sente=
nces, especially when the reader isn&#39;t even familiar with GADTs in the =
first place.</div>
</div></blockquote><div><br></div><div>But, Haskell records aren&#39;t bett=
er than OOP.</div><div><br></div><div>I am not trying to be controversial h=
ere -- Haskell records would &quot;naturally&quot; implement prototype-base=
d OOP, like JavaScript uses, if they (Haskell records) weren&#39;t so usele=
ss. =A0This is basically why &quot;lenses&quot; were designed (i.e., to mak=
e consistent syntax for getters and setters)</div>
</div>

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