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Re: How to avoid introducing global symbols by setq in function?
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From: |
Marcin Borkowski |
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Subject: |
Re: How to avoid introducing global symbols by setq in function? |
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Date: |
Fri, 18 Nov 2016 09:33:30 +0100 |
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User-agent: |
mu4e 0.9.17; emacs 26.0.50.3 |
On 2016-11-18, at 02:10, zhanghj <netjunegg@gmail.com> wrote:
> As in the following code:
>
> (let ((var1 100)) ;; default value
> (when some_condition
> ;; new value
> (setq varl 200))
> (message "value: %d" varl))
>
> Should use "var1", but write "varl" by typo.
> If some_condition is non-nil, there will be no error and no warnning.
>
> How to check these mistakes?
Have you tried to byte-compile that code?
Best,
--
Marcin Borkowski