From: Nicolas Petton <nicolas@petton.fr>
To: Stefan Monnier <monnier@IRO.UMontreal.CA>
Cc: emacs-devel <emacs-devel@gnu.org>
Subject: Re: Using gv in map and seq?
Date: Thu, 18 Jun 2015 21:59:59 +0200 [thread overview]
Message-ID: <87egl86b40.fsf@petton.fr> (raw)
In-Reply-To: <jwvtwu6ckou.fsf-monnier+emacs@gnu.org>
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Stefan Monnier <monnier@IRO.UMontreal.CA> writes:
>> Just out of curiosity, where is this restriction set?
>
> The code I sent was broken (in the list case where we need to set the
> MAP, the code does (setq map ..) where `map' is an internal variable,
> IOW it sets the wrong thing) so the restriction didn't actually appear.
>
> It should look a bit more like:
>
> (put 'map--raw-place 'gv-expander #'funcall)
> [...]
> (declare
> (gv-expander
> (lambda (do)
> (gv-letplace (mgetter msetter) map
> (macroexp-let2* nil
> ;; Eval them once and for all in the right order.
> ((key key) (default default))
> `(map--dispatch ,mgetter
> :list ,(gv-get `(alist-get ,key (map--raw-place ,mgetter ,msetter)
> ,default)
> do)
> :hash-table ,(funcall do `(gethash ,key ,mgetter ,default)
> (lambda (v) `(puthash ,key ,v ,mgetter)))
> :array ,(funcall do `(aref ,mgetter ,key)
> (lambda (v) `(aset ,mgetter ,key ,v)))))))))
>
> And this "raw-place" should probably be added to gv.el.
You lost me :-)
Could you explain a bit more?
Nico
--
Nicolas Petton
http://nicolas-petton.fr
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next prev parent reply other threads:[~2015-06-18 19:59 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-06-15 10:47 Using gv in map and seq? Nicolas Petton
2015-06-15 12:41 ` Stefan Monnier
2015-06-15 13:48 ` Nicolas Petton
2015-06-15 16:30 ` Stefan Monnier
2015-06-16 1:45 ` Stefan Monnier
2015-06-16 7:13 ` Nicolas Petton
2015-06-16 20:35 ` Nicolas Petton
2015-06-17 0:41 ` Stefan Monnier
2015-06-17 12:58 ` Stefan Monnier
2015-06-17 14:40 ` Nicolas Petton
2015-06-17 17:39 ` Stefan Monnier
2015-06-18 19:59 ` Nicolas Petton [this message]
2015-06-19 2:52 ` Stefan Monnier
2015-06-16 21:28 ` Nicolas Petton
2015-06-18 8:31 ` [OT] Working with patches inlined in emails (was: Using gv in map and seq?) Nicolas Petton
2015-06-18 8:51 ` Eli Zaretskii
2015-06-18 9:27 ` [OT] Working with patches inlined in emails João Távora
2015-06-18 9:38 ` [OT] Working with patches inlined in emails (was: Using gv in map and seq?) Nicolas Petton
2015-06-18 9:45 ` Nicolas Petton
2015-06-18 8:58 ` [OT] Working with patches inlined in emails Andreas Schwab
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