From: bitwize@wizards-of-source.org
Cc: guile-devel@gnu.org
Subject: Re: How to detect a procedure
Date: Mon, 29 Apr 2002 06:52:28 +0200 (CEST) [thread overview]
Message-ID: <Pine.LNX.4.44.0204290645320.32203-100000@phantom.h07.org> (raw)
In-Reply-To: <3CCC5D23.9727BCCB@pacbell.net>
On Sun, 28 Apr 2002, Bruce Korb wrote:
>
> OK. If:
>
> (if (procedure? 'mumble) (mumble))
>
> doesn't work, what does? I keep trying different things
> to no avail. This is very, very frustrating.
First of all, this type of thing is better off posted to guile-user
instead of guile-devel (where nitty-gritty implementation details are
mainly discussed).
Secondly, the answer to your query is, procedures are stored in the same
namespace as ordinary variables; (procedure? mumble) returns #t if mumble
names a prevoiusly defined procedure. There is no need to quote, e.g.
'mumble, or to use the Common LISP convention #'mumble.
Note that this applies to primitives, too; (procedure? procedure?) returns
#t. :)
--
Jeffrey T. Read
"LOBSTER STICKS TO MAGNET!"
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next prev parent reply other threads:[~2002-04-29 4:52 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-04-28 20:35 How to detect a procedure Bruce Korb
2002-04-29 4:52 ` bitwize [this message]
2002-04-29 9:45 ` rm
2002-04-30 0:00 ` Lynn Winebarger
2002-04-30 0:36 ` Bruce Korb
2002-04-30 13:50 ` Rob Browning
2002-05-01 1:22 ` Bruce Korb
2002-05-01 2:35 ` Rob Browning
2002-05-01 2:46 ` Lynn Winebarger
2002-05-01 3:39 ` Rob Browning
2002-05-01 21:36 ` Bruce Korb
2002-05-01 22:18 ` Neil Jerram
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