Subject: bug#51368: 29.0.50; `cl-case' should error on incorrect use

From: Andreas Schwab <[email-masked]>
Date: Sun, 24 Oct 2021 10:16:07 +0200

On Okt 24 2021, Philipp Stephani wrote:

> This form demonstrates a few incorrect uses of `cl-case':
>
> (cl-case a
>   (nil 0)   ; doesn't match anything
>   (t 1)     ; matches everything, but too early
>   ('foo 2)) ; matches `quote' in addition to `foo'
>
> It would be nice if `cl-case' would signal an error or at least warn
> about these at macroexpansion time, since they are somewhat subtle and
> easy to get wrong.

clisp errors out on the misplaced `t' clause, but is otherwise silent.

Andreas.

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Andreas Schwab, [email-masked]
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