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Re: empty-directory predicate, native implementation


From: Arthur Miller
Subject: Re: empty-directory predicate, native implementation
Date: Wed, 14 Oct 2020 15:56:36 +0200
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/28.0.50 (gnu/linux)

Michael Albinus <michael.albinus@gmx.de> writes:

> Arthur Miller <arthur.miller@live.com> writes:
>
> Hi Arthur,
>
>> The only thing I am not sure about is how to deal with 0 count; I
>> mean if user explicitly ask for 0 count; the case when count is not
>> NILP.
>
>>I have chosen not to deal with it all, I check for zer set
>> explicit limit for count to be [1,COUNT]. I am not sure if that is best
>> thing to do; maybe just to return Qnil? I am probably doing something
>> else wrong, advice apprecaiated.
>
> Returning Qnil seems to be OK, when count is 0.
>
> Best regards, Michael.
What about return the length, number of the files in that case?

In order to get number of the files currently we would get list of files
and get length of the list afterwards; if we asked to get 0 files, it
could return the length; I thought of it afterwards.



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