Tim Sauerwein wrote:
> I once wrote a macro to help express pattern-matching rules.
> In these rules, variables that began with a question mark were treated
> specially.
David Gifford's Programming Languages class at MIT uses Scheme+, a variant
of MIT Scheme with datatypes and pattern m
Norman Ramsey wrote:
> I would love to hear from a real Lisp macro hacker who has also done
> lazy functional progrmaming.
I am such a person.
Lisp macros are a way to extend the Lisp compiler. Dylan's example
shows why this reflective power is sometimes useful. Here is another
example. I o
> > (if (not (< x 3))
> > (assertion-failed '(< x 3)))
>
> This is a good example, which cannot be implemented in
> Haskell. "Exception.assert" is built in to the ghc compiler, rather than
> being defined within the language. On the other hand, the built in
> function gives you the sour
On Thu, May 03, 2001 at 04:25:45PM -0400, Alan Bawden wrote:
> Here's a macro I use in my Scheme code all the time. I write:
>
> (assert (< x 3))
>
> Which macro expands into:
>
> (if (not (< x 3))
> (assertion-failed '(< x 3)))
>
> Where `assertion-failed' is a procedure that gener
Subject: Re: Interesting: "Lisp as a competitive advantage"
Date: Thu, 03 May 2001 10:16:37 -0400
From: Norman Ramsey <[EMAIL PROTECTED]>
> http://www.paulgraham.com/paulgraham/avg.html
>
> I wonder how Haskell compares in this regard.
I loved Graham's characterization
- Original Message -
From: "Norman Ramsey" <[EMAIL PROTECTED]>
To: <[EMAIL PROTECTED]>
Sent: Thursday, May 03, 2001 7:16 AM
Subject: Re: Interesting: "Lisp as a competitive advantage"
> > http://www.paulgraham.com/paulgraham/avg.html
> >
> > I wonder how Haskell compares in this regar
> http://www.paulgraham.com/paulgraham/avg.html
>
> I wonder how Haskell compares in this regard.
I loved Graham's characterization of the hierarchy of power in
programming languages:
- Languages less powerful than the one you understand look impoverished
- Languages more powerful than t
On Wed, 2 May 2001 [EMAIL PROTECTED] wrote:
> Second, more interestingly, I was surprised at his emphasis on macros.
> Having read his (excellent) On Lisp maybe I shouldn't have been (since
> that is largely about macros), but anyway, I think it's interesting
> because it's one of the big differ
