From: "Neil Jerram" <neiljerram@googlemail.com>
To: "Maciek Godek" <pstrychuj@gmail.com>
Cc: guile-user@gnu.org
Subject: Re: Me no understand scoping
Date: Thu, 31 Jul 2008 08:20:06 +0100 [thread overview]
Message-ID: <49dd78620807310020i8b55067gd22f6ce361a04d7d@mail.gmail.com> (raw)
In-Reply-To: <e2ceda030807301224j41cfe328k182c6620801516e6@mail.gmail.com>
2008/7/30 Maciek Godek <pstrychuj@gmail.com>:
>
> By the way I have a question (regarding not using eval).
> I want to pass the contents of a list to a function that accepts the
> so-called "rest" args.
> (let ((l '(1 2 3 4 5)))
> (let ((operation (append '(+) l)))
> (primitive-eval operation)
> )
> )
>
> How to achieve this effect without using eval?
> (I've tried (+ . l) but it didn't work out)
(apply + l)
>> The view of the scheme community as a whole is that first class lexical
>> environments are irreconcilable with the need to compile (optimize) code.
>
> Certainly there's a faction that thinks differently :]
If and when we have an optimized compiler, I imagine there would be
some way of allowing the environment to be optimized away when not
explicitly wanted, but kept available when it is wanted.
> Yeah, I always write additional layers so the code corresponds to the
> way I think. (Everybody does, don't they?)
Yes!
Regards,
Neil
next prev parent reply other threads:[~2008-07-31 7:20 UTC|newest]
Thread overview: 23+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-07-29 21:18 Me no understand scoping Maciek Godek
2008-07-30 3:24 ` Clinton Ebadi
2008-07-30 8:42 ` Maciek Godek
2008-07-30 14:03 ` Jon Wilson
2008-07-30 15:04 ` Klaus Schilling
2008-07-30 19:24 ` Maciek Godek
2008-07-31 7:20 ` Neil Jerram [this message]
2008-07-31 19:21 ` Maciek Godek
2008-07-31 21:37 ` Neil Jerram
2008-07-31 23:07 ` Maciek Godek
2008-08-02 17:43 ` Neil Jerram
2008-08-02 21:36 ` Maciek Godek
2008-08-08 20:54 ` Neil Jerram
2008-08-10 21:49 ` Maciek Godek
2008-08-09 11:05 ` Andy Wingo
2008-08-10 22:30 ` Maciek Godek
2008-09-11 14:56 ` JonWilson
2008-07-31 23:48 ` Clinton Ebadi
2008-08-01 22:00 ` Maciek Godek
2008-08-02 5:13 ` Jon Wilson
2008-08-02 21:35 ` Maciek Godek
[not found] <cmu-lmtpd-29005-1217434291-0@mail-imap1.uio.no>
2008-07-30 16:18 ` Kjetil S. Matheussen
2008-07-30 19:03 ` Clinton Ebadi
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