From: Jean Louis <bugs@gnu.support>
To: Drew Adams <drew.adams@oracle.com>
Cc: Help GNU Emacs <help-gnu-emacs@gnu.org>
Subject: Re: [External] : Why I cannot use this variable in macro call from function?
Date: Tue, 8 Jun 2021 17:47:11 +0300 [thread overview]
Message-ID: <YL+C73dX0SvbYtgM@protected.localdomain> (raw)
In-Reply-To: <SA2PR10MB44746263C7C9A8F27D4A355BF3379@SA2PR10MB4474.namprd10.prod.outlook.com>
* Drew Adams <drew.adams@oracle.com> [2021-06-08 16:42]:
> > (defmacro rcd-db-completing-table-history (table)
> > (let ((variable
> > (intern
> > (concat "rcd-db-completing-table-history-"
> > table))))
>
> > (defun my-fun-123 ()
> > (let ((var "new"))
> > (rcd-db-completing-table-history var)))
> >
> > (my-fun-123)
> >
> > Debugger entered--Lisp error: (wrong-type-argument sequencep var)
> > concat("rcd-db-completing-table-history-" var)
>
> You are passing the symbol `var' as the arg
> to your macro. Macros don't automatically
> evaluate their args. What you are expecting
> is presumably to pass the _value_ of symbol
> `var', i.e., treat the symbol as a variable
> and pass its value.
I hoped I will solve it with the function `symbol-value', but this
does not work:
(let ((var "new-table"))
(rcd-db-completing-table-history (symbol-value var)))
How do you mean?
--
Jean
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next prev parent reply other threads:[~2021-06-08 14:47 UTC|newest]
Thread overview: 28+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-06-08 13:10 Why I cannot use this variable in macro call from function? Jean Louis
2021-06-08 13:41 ` [External] : " Drew Adams
2021-06-08 14:47 ` Jean Louis [this message]
2021-06-08 17:14 ` Jean Louis
2021-06-08 18:31 ` tomas
2021-06-08 18:37 ` Oops function? tomas
2021-06-08 19:27 ` [SOLVED with `eval']: Why I cannot use this variable in macro call from function? Jean Louis
2021-06-08 20:03 ` tomas
2021-06-08 20:06 ` Sorry again tomas
2021-06-08 20:12 ` [SOLVED with `eval']: Why I cannot use this variable in macro call from function? Jean Louis
2021-06-08 20:23 ` tomas
2021-06-08 20:38 ` Jean Louis
2021-06-08 20:47 ` Jean Louis
2021-06-09 6:09 ` tomas
2021-06-09 6:42 ` Jean Louis
2021-06-09 6:51 ` tomas
2021-06-09 7:03 ` Jean Louis
2021-06-09 7:39 ` tomas
2021-06-09 8:22 ` Jean Louis
2021-06-09 8:54 ` tomas
2021-06-09 10:56 ` Jean Louis
2021-06-09 11:33 ` tomas
2021-06-09 14:39 ` Jean Louis
2021-06-09 16:41 ` tomas
2021-06-10 2:10 ` Robert Thorpe
2021-06-10 6:56 ` Jean Louis
2021-06-11 6:33 ` Robert Thorpe
2021-06-11 7:03 ` Jean Louis
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