From: Chong Yidong <cyd@stupidchicken.com>
To: Frank <some.frank@gmail.com>
Cc: 7146@debbugs.gnu.org
Subject: bug#7146: (make-symbol "") issues
Date: Sun, 03 Oct 2010 10:55:17 -0400 [thread overview]
Message-ID: <87iq1jfhre.fsf@stupidchicken.com> (raw)
In-Reply-To: <87bp7bfu3c.fsf@gnu.org> ("Johan Bockgård"'s message of "Sun, 03 Oct 2010 12:28:55 +0200")
Johan Bockgård <bojohan@gnu.org> writes:
> The problem is that there is no read syntax for a symbol with an empty
> name, so it can't reliably be printed to a string (file) and read back.
>
> (symbol-name (aref [#: x] 0)) => "x" ; This is what happens in the report.
>
> but (symbol-name (aref [#:] 0)) => ""
>
> You could change the reader to somehow recognize the first case. The
> problem would come back if you changed `make-symbol' to `intern',
> though, since it really prints as nothing at all.
I guess we could make intern and make-symbol signal errors for the empty
string.
next prev parent reply other threads:[~2010-10-03 14:55 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-10-02 4:19 bug#7146: (make-symbol "") issues Frank
2010-10-03 0:44 ` Frank
2010-10-03 1:32 ` Chong Yidong
2010-10-03 3:44 ` Frank
2010-10-03 4:05 ` Chong Yidong
2010-10-03 4:14 ` Frank
2010-10-03 4:36 ` Juanma Barranquero
2010-10-03 10:28 ` Johan Bockgård
2010-10-03 14:55 ` Chong Yidong [this message]
2010-10-03 23:12 ` Stefan Monnier
2011-07-14 14:25 ` Lars Magne Ingebrigtsen
2011-07-14 16:24 ` Andreas Schwab
2011-07-17 3:16 ` Stefan Monnier
2011-07-17 8:15 ` Andreas Schwab
2011-07-18 15:30 ` Stefan Monnier
2011-07-21 19:25 ` Chong Yidong
2011-07-28 21:11 ` Andreas Schwab
2011-07-17 21:41 ` David De La Harpe Golden
2010-10-03 18:45 ` MON KEY
2010-10-03 18:56 ` Chong Yidong
2010-10-03 23:48 ` MON KEY
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