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Re: Likely a good frog project for someone with C knowledge
From: |
David Kastrup |
Subject: |
Re: Likely a good frog project for someone with C knowledge |
Date: |
Wed, 17 Aug 2011 10:23:22 +0200 |
User-agent: |
Gnus/5.13 (Gnus v5.13) Emacs/24.0.50 (gnu/linux) |
Bertrand Bordage <address@hidden> writes:
> 2011/8/17 David Kastrup <address@hidden>
>
> Bertrand Bordage <address@hidden> writes:
>
>
> > This would be great if Han-Wen decides to keep it like that.
> > Otherwise there is really a lot of work, with many shortcuts to
> > define.
> > to_boolean (scm_is_pair (x))
>
>
> That one would be wrong since scm_is_pair already returns a C
> boolean.
>
>
> I was thinking about scm_pair_p ()...
> This is typically the kind of mistakes that should be solved.
> Shame on me, I won't do it again.
>
> Where did you find SCM_CONSP ?
> I don't see it in guile's reference. Maybe something to add to the CG
> ?
Guile reference manual for Guile 1.8, "Pair data". It is even indexed.
What version of the Guile manual are you using? To quote:
Guile implements pairs by mapping the CAR and CDR of a pair directly
into the two words of the cell.
-- Macro: int SCM_CONSP (SCM X)
Return non-zero iff X is a Scheme pair object.
-- Macro: int SCM_NCONSP (SCM X)
The complement of SCM_CONSP.
--
David Kastrup
- Re: Likely a good frog project for someone with C knowledge, (continued)
- Re: Likely a good frog project for someone with C knowledge, Graham Percival, 2011/08/16
- Re: Likely a good frog project for someone with C knowledge, David Kastrup, 2011/08/16
- Re: Likely a good frog project for someone with C knowledge, David Kastrup, 2011/08/16
- Re: Likely a good frog project for someone with C knowledge, Reinhold Kainhofer, 2011/08/16
- Re: Likely a good frog project for someone with C knowledge, Reinhold Kainhofer, 2011/08/16
- Re: Likely a good frog project for someone with C knowledge, David Kastrup, 2011/08/16
- Re: Likely a good frog project for someone with C knowledge, David Kastrup, 2011/08/16
- Re: Likely a good frog project for someone with C knowledge, Bertrand Bordage, 2011/08/16
- Re: Likely a good frog project for someone with C knowledge, David Kastrup, 2011/08/16
- Re: Likely a good frog project for someone with C knowledge, Bertrand Bordage, 2011/08/17
- Re: Likely a good frog project for someone with C knowledge,
David Kastrup <=
- Re: Likely a good frog project for someone with C knowledge, David Kastrup, 2011/08/17
Re: Likely a good frog project for someone with C knowledge, Han-Wen Nienhuys, 2011/08/16
- Re: Likely a good frog project for someone with C knowledge, David Kastrup, 2011/08/16
- Re: Likely a good frog project for someone with C knowledge, Han-Wen Nienhuys, 2011/08/16
- Re: Likely a good frog project for someone with C knowledge, Werner LEMBERG, 2011/08/16
- Re: Likely a good frog project for someone with C knowledge, Graham Percival, 2011/08/17
- Re: Likely a good frog project for someone with C knowledge, Trevor Daniels, 2011/08/17
- Re: Likely a good frog project for someone with C knowledge, Ian Hulin, 2011/08/17
- Re: Likely a good frog project for someone with C knowledge, David Kastrup, 2011/08/17
- Re: Likely a good frog project for someone with C knowledge, Reinhold Kainhofer, 2011/08/17