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Re: [External] : Why I cannot use this variable in macro call from funct
From: |
Jean Louis |
Subject: |
Re: [External] : Why I cannot use this variable in macro call from function? |
Date: |
Tue, 8 Jun 2021 17:47:11 +0300 |
User-agent: |
Mutt/2.0.7+183 (3d24855) (2021-05-28) |
* 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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- Why I cannot use this variable in macro call from function?, Jean Louis, 2021/06/08
- RE: [External] : Why I cannot use this variable in macro call from function?, Drew Adams, 2021/06/08
- Re: [External] : Why I cannot use this variable in macro call from function?,
Jean Louis <=
- Re: [External] : Why I cannot use this variable in macro call from function?, Jean Louis, 2021/06/08
- Re: [External] : Why I cannot use this variable in macro call from function?, tomas, 2021/06/08
- Oops function?, tomas, 2021/06/08
- [SOLVED with `eval']: Why I cannot use this variable in macro call from function?, Jean Louis, 2021/06/08
- Re: [SOLVED with `eval']: Why I cannot use this variable in macro call from function?, tomas, 2021/06/08
- Sorry again, tomas, 2021/06/08
- Re: [SOLVED with `eval']: Why I cannot use this variable in macro call from function?, Jean Louis, 2021/06/08
- Re: [SOLVED with `eval']: Why I cannot use this variable in macro call from function?, tomas, 2021/06/08
- Re: [SOLVED with `eval']: Why I cannot use this variable in macro call from function?, Jean Louis, 2021/06/08
- Re: [SOLVED with `eval']: Why I cannot use this variable in macro call from function?, Jean Louis, 2021/06/08