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bug#51368: 29.0.50; `cl-case' should error on incorrect use
From: |
Stefan Kangas |
Subject: |
bug#51368: 29.0.50; `cl-case' should error on incorrect use |
Date: |
Sun, 24 Oct 2021 05:46:10 -0700 |
User-agent: |
Gnus/5.13 (Gnus v5.13) Emacs/29.0.50 (gnu/linux) |
Andreas Schwab <schwab@linux-m68k.org> writes:
> 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.
I think it would be good if we could error out on the misplaced t.