On Mon, Apr 15, 2013 at 11:12 PM, Arne Babenhauserheide <arne_...@web.de>wrote:
> Just to also state it explicitely: By making inline : close at the end
> of the line, the width-of-characters problem disappears: The only
> thing which can come before a colon that defines an indentation level
> which is relevant to later lines are spaces and space-equivalents
> (blocks of underscores starting at the beginning of the line).
>
> I did not see a drop in readability due to limiting inline : to the
> present line - rather the opposite, as it prompts me to do more tail
> calls. And clarity definitely increased. Just compare those two:
>
> let : : x : compute 'x
> : y : compute 'y
> use x y
>
>
> let
> :
> x : compute 'x
> y : compute 'y
> use x y
>
> I would not be sure at first glance myself what the first block
> does. For the second it’s clear to me.
>
In Scheme (and probably most other Lisp's) let is idiomatically formatted
as follows:
(let ((x (compute 'x))
(xy (compute 'xy))
(y (compute 'y)))
(use x y))
This is why the original Arne formulation was attractive to me, as the let
: : part means that things are formatted closer to how Lisp let
s-expressions are typically rendered by most Lisp programmers.
Personally, I think Wisp is separate from the original Arne formulation,
due to the significant change in : semantics, and I honestly think that it
might be better to have a separate section for Wisp vs. the original Arne.
>
> Best wishes,
> Arne
>
> At Mon, 01 Apr 2013 23:53:57 +0200,
> Arne Babenhauserheide wrote:
> >
> > [1 <multipart/signed (quoted-printable)>]
> > [1.1 <text/plain; utf-8 (quoted-printable)>]
> > Am Donnerstag, 28. März 2013, 18:31:04 schrieb David A. Wheeler:
> > > Arne Babenhauserheide:
> > > > I finally managed to get the simple indentation to lisp preprocessor
> into a working state and thought you might be interested.
> > >
> > > Absolutely!!
> >
> > Glad to hear that! :)
> >
> > > ...
> > > > But at least I managed to write a real release text with an
> explanation of the syntax and code-examples:
> > > > http://draketo.de/light/english/wisp-lisp-indentation-preprocessor
> > >
> > > Thanks! I just added that URL link to the SRFI Alan and I are
> developing. That way, anyone who might be interested can jump straight to
> your stuff.
> >
> > Cool - thanks!
> >
> > > > PS: @David: I just realized that I had missed quite a few of your
> answers because they were sent only to the list while Alans answers were
> also addressed to me… sorry for that.
> > >
> > > Sigh, I specifically do that so people won't get doubled emails all
> the time; some people complain when I send them both ways. I just can't
> win :-).
> >
> > :)
> >
> > At least I found your messages after some time :)
> > (I know that my workflow can cause me to miss some messages so I *try*
> to check the ignored messages from time to time to see if any new ones are
> still relevant)
> >
> > Best wishes,
> > Arne
> > --
> > Unpolitisch sein
> > heißt politisch sein,
> > ohne es zu merken.
> > - Arne (http://draketo.de)
> >
> >
> > [1.2 This is a digitally signed message part. <application/pgp-signature
> (7bit)>]
> >
> > [2 <text/plain; us-ascii (7bit)>]
> >
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