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Re: do-nothing macro generates nil nevertheless
- To: info-mcl@digitool.com
- Subject: Re: do-nothing macro generates nil nevertheless
- From: barmar@nic.near.net (Barry Margolin)
- Date: 28 Feb 1995 01:33:25 -0500
- Organization: NEARnet, Cambridge, MA
- References: <gat-260295131710@milo.jpl.nasa.gov>, <3irfm9$1ti@news.internex.net>, <Pine.A32.3.91.950227130326.26069J-100000@swim5.eng.sematech.org>
- Sender: owner-info-mcl@digitool.com
In article <Pine.A32.3.91.950227130326.26069J-100000@swim5.eng.sematech.org> "William D. Gooch" <goochb@swim5.eng.sematech.org> writes:
>Why not just use ,@(the-macro ...) ? Then if it returns nil, you get
>nothing. Of course, it must always return a list for this to work.
,@ can only be used inside a backquoted form, which would cause the form to
be quoted.
--
Barry Margolin
BBN Internet Services Corp.
barmar@near.net