* Re: [Emacs-diffs] master 1758951: lisp/let-alist.el (let-alist): Evaluate `alist' only once.
[not found] ` <E1Y1hlx-0001Pn-JK@vcs.savannah.gnu.org>
@ 2014-12-19 4:33 ` Stefan Monnier
2014-12-19 12:59 ` Artur Malabarba
0 siblings, 1 reply; 3+ messages in thread
From: Stefan Monnier @ 2014-12-19 4:33 UTC (permalink / raw)
To: emacs-devel; +Cc: Artur Malabarba
> + (let ((var (gensym "let-alist")))
> + `(let ((,var ,alist)
You can use `macroexp-let2' for that (with the extra benefit that it
will skip the `let' if `alist' is already a trivial expression such as
a simple variable).
Stefan
^ permalink raw reply [flat|nested] 3+ messages in thread* Re: [Emacs-diffs] master 1758951: lisp/let-alist.el (let-alist): Evaluate `alist' only once.
2014-12-19 4:33 ` [Emacs-diffs] master 1758951: lisp/let-alist.el (let-alist): Evaluate `alist' only once Stefan Monnier
@ 2014-12-19 12:59 ` Artur Malabarba
2014-12-19 12:59 ` Artur Malabarba
0 siblings, 1 reply; 3+ messages in thread
From: Artur Malabarba @ 2014-12-19 12:59 UTC (permalink / raw)
To: Stefan Monnier; +Cc: emacs-devel
Thanks, I didn't about that. Unfortunately, it seems to not be
available on 24.2 or earlier. (at least, I couldn't find it)
I want to develop this version in parallel with the Elpa version for
now, while there are still a couple of features I'm planning to add.
But I'll add it in later (before release).
2014-12-19 2:33 GMT-02:00 Stefan Monnier <monnier@iro.umontreal.ca>:
>> + (let ((var (gensym "let-alist")))
>> + `(let ((,var ,alist)
>
> You can use `macroexp-let2' for that (with the extra benefit that it
> will skip the `let' if `alist' is already a trivial expression such as
> a simple variable).
>
>
> Stefan
^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: [Emacs-diffs] master 1758951: lisp/let-alist.el (let-alist): Evaluate `alist' only once.
2014-12-19 12:59 ` Artur Malabarba
@ 2014-12-19 12:59 ` Artur Malabarba
0 siblings, 0 replies; 3+ messages in thread
From: Artur Malabarba @ 2014-12-19 12:59 UTC (permalink / raw)
To: Stefan Monnier; +Cc: emacs-devel
* I didn't KNOW about that
2014-12-19 10:59 GMT-02:00 Artur Malabarba <bruce.connor.am@gmail.com>:
> Thanks, I didn't about that. Unfortunately, it seems to not be
> available on 24.2 or earlier. (at least, I couldn't find it)
>
> I want to develop this version in parallel with the Elpa version for
> now, while there are still a couple of features I'm planning to add.
> But I'll add it in later (before release).
>
> 2014-12-19 2:33 GMT-02:00 Stefan Monnier <monnier@iro.umontreal.ca>:
>>> + (let ((var (gensym "let-alist")))
>>> + `(let ((,var ,alist)
>>
>> You can use `macroexp-let2' for that (with the extra benefit that it
>> will skip the `let' if `alist' is already a trivial expression such as
>> a simple variable).
>>
>>
>> Stefan
^ permalink raw reply [flat|nested] 3+ messages in thread
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2014-12-19 4:33 ` [Emacs-diffs] master 1758951: lisp/let-alist.el (let-alist): Evaluate `alist' only once Stefan Monnier
2014-12-19 12:59 ` Artur Malabarba
2014-12-19 12:59 ` Artur Malabarba
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