From: ludo@gnu.org (Ludovic Courtès)
To: Andy Wingo <wingo@pobox.com>
Cc: guile-devel@gnu.org
Subject: Re: Eval, tail calls, (current-module), and backward compatibility
Date: Wed, 18 Jan 2012 23:21:49 +0100 [thread overview]
Message-ID: <87pqegr6rm.fsf@gnu.org> (raw)
In-Reply-To: <8739bcfz65.fsf@pobox.com> (Andy Wingo's message of "Wed, 18 Jan 2012 23:01:22 +0100")
Hello!
Andy Wingo <wingo@pobox.com> skribis:
> On Wed 18 Jan 2012 22:18, ludo@gnu.org (Ludovic Courtès) writes:
>
>> (('apply (f args))
>> (apply (eval f env) (eval args env)))
>
> This is in primitive-eval (and here, `eval' is locally bound). Mark is
> talking about R5RS `eval' (`scm_eval').
OK, but ‘scm_eval’ is not recursive, so no wonder it’s not
tail-recursive. :-)
(I’m confident I’m missing something, but I just fail to see what. ;-))
Ludo’.
next prev parent reply other threads:[~2012-01-18 22:21 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-01-17 3:28 Eval, tail calls, (current-module), and backward compatibility Mark H Weaver
2012-01-17 11:02 ` David Kastrup
2012-01-17 21:02 ` Mark H Weaver
2012-01-18 9:36 ` Andy Wingo
2012-01-18 19:58 ` Mark H Weaver
2012-01-18 21:52 ` Andy Wingo
2012-01-18 21:18 ` Ludovic Courtès
2012-01-18 22:01 ` Andy Wingo
2012-01-18 22:21 ` Ludovic Courtès [this message]
2012-01-18 22:27 ` Andy Wingo
2012-01-18 22:47 ` Ludovic Courtès
2012-01-18 22:56 ` Andy Wingo
2012-01-21 15:59 ` David Kastrup
2012-01-21 18:28 ` Mark H Weaver
2012-01-21 18:33 ` David Kastrup
2012-01-21 19:06 ` Mark H Weaver
2012-01-23 10:41 ` Andy Wingo
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