From: Neil Jerram <neil@ossau.uklinux.net>
To: richard.shann@virgin.net
Cc: guile-user@gnu.org
Subject: Re: A variable that holds a string which may be the name of a variable.
Date: Thu, 03 Dec 2009 18:52:44 +0000 [thread overview]
Message-ID: <87pr6vq48z.fsf@ossau.uklinux.net> (raw)
In-Reply-To: <1259856685.3060.36.camel@debianrts.home> (Richard Shann's message of "Thu, 03 Dec 2009 16:11:25 +0000")
Richard Shann <richard.shann@virgin.net> writes:
> Thanks to all guileans who have responded. I seem to have a workable
> solution based on Neil's code. The thing I hadn't grokked was the
> existence of the with-input-from-string procedure. I had been messing
> with defined? and symbol? but got nowhere.
I would say the magic is more in `read' than in
`with-input-from-string'.
`read' is responsible for the conversion from
something-that-looks-like-code to actual code - which in your case is a
single symbol. `with-input-from-string' just tells `read' that the
something-that-looks-like-code is a string.
Regards,
Neil
next prev parent reply other threads:[~2009-12-03 18:52 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-12-03 16:11 A variable that holds a string which may be the name of a variable Richard Shann
2009-12-03 18:52 ` Neil Jerram [this message]
-- strict thread matches above, loose matches on Subject: below --
2009-12-02 19:22 Richard Shann
2009-12-02 22:19 ` Neil Jerram
2009-12-03 17:23 ` Linas Vepstas
2009-12-03 18:56 ` Neil Jerram
2009-12-03 19:00 ` Richard Shann
2009-12-02 22:37 ` Linas Vepstas
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