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Re: [Re: Bracket heresies. What about subscripting?]
Well, I haven't reached that stage of enlightenment yet, but I'm sure I
will :-)
Mike
> Date: 1 Jul 99 20:14:21 CDT
> From: Ariel Rios <jarios@usa.net>
> Cc: guile@cygnus.com
> Content-Type: text/plain; charset=US-ASCII
>
> Michael Vanier <mvanier@bbb.caltech.edu> wrote:
> > Another nit I've often had with lisp-like languages is the fact that long
> > algebraic expressions often look really clumsy in prefix form
> (especially
> > with non-commutative operators like -, <, >, etc.); this is probably just
> > because I haven't used scheme enough to get used to it. It would be cool
> > to have a read-macro that translated infix to prefix e.g.
> >
> > #{ a**2 + b**4 / c[i] } ;; e.g.
> >
> > becomes:
> >
> > (/ (+ (pow a 2) (pow b 4))
> > (vector-ref c i))
> >
> Nevertheless, for me it is clearer the "clumsy" parenthesis than the text you
> wrotte. The problem is that non lispers intend to do things as they are done
> in C. If you want to program in Scheme you need to know Scheme.
> The grammar is very easy and very clear to understand.
> This debate about using [] in the same way as parenthesis and vec[i]
> instead of (vector-ref vec i) is akin to asking the greek to start using latin
> alphabet because we can not understand the greek alphabet.
>
> Instead of trying to "help" people giving quick solutions we may better teach
> them how to programme Scheme.
>
> At first it's a little hard to deal with all the parenthesis; at the end,
> however, it is very easy to use them. Maybe you should try drscheme or other
> gui to help with the parenthesis...
>
> (define [hello-world] (display "hello world"))
>
> That won't be possible if we accepted the []'s as someone stated some days
> before.
>
> Also, if we have a vec[i] maybe then we will move for (define-int var) or
> (define-char* str), and instead of f(f(f(x))) we will use a for statement.
>
>
> Ariel
>
>
> (define (ariel)
> (list
> ("Ariel Rios Osorio")
> ("jarios@linux.cem.itesm.mx")
> ("jarios@usa.net")
> ("<05> 5 77 55 09"))
> >(ariel)
>
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