From: Andy Wingo <wingo@pobox.com>
To: Stefan Israelsson Tampe <stefan.itampe@gmail.com>
Cc: Szavai Gyula <szgyg@ludens.elte.hu>, bug-guile@gnu.org
Subject: Re: [bug #30070] multiple returns from map
Date: Sun, 14 Aug 2011 22:03:37 +0200 [thread overview]
Message-ID: <87pqk7g3qe.fsf@pobox.com> (raw)
In-Reply-To: <CAGua6m3ypMFj6nf73WVGBpFpH0kb4HznMoHvKDxzHMkP9OYtPw@mail.gmail.com> (Stefan Israelsson Tampe's message of "Sat, 13 Aug 2011 17:56:53 +0200")
On Sat 13 Aug 2011 17:56, Stefan Israelsson Tampe <stefan.itampe@gmail.com> writes:
> Yes a tail pointer was a mind slip . But I did
> changed the final reverse! to the functional reverse in the srfi-1 version of map
> and doing that should be enough.
Yes, however there is a performance penalty. We should probably do that
for R6RS. But long-term, we need a solution that does not impose a
performance penalty. That solution is to map recursively instead of
iteratively.
Andy
--
http://wingolog.org/
next prev parent reply other threads:[~2011-08-14 20:03 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-06-07 18:23 [bug #30070] multiple returns from map Szavai Gyula
2011-07-15 10:45 ` Stefan Israelsson Tampe
2011-08-12 21:03 ` Andy Wingo
2011-08-13 15:56 ` Stefan Israelsson Tampe
2011-08-14 20:03 ` Andy Wingo [this message]
2011-08-14 20:52 ` Stefan Israelsson Tampe
2011-08-17 21:29 ` Andy Wingo
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