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Re: List of buffers under version control?
From: |
Rolf Ade |
Subject: |
Re: List of buffers under version control? |
Date: |
Fri, 29 Jul 2016 00:27:07 +0200 |
User-agent: |
Gnus/5.13 (Gnus v5.13) Emacs/24.5 (gnu/linux) |
Drew Adams <drew.adams@oracle.com> writes:
>> Glad it helps. You could do something like this to avoid repeating the
>> calls to `vc-backend' and `buffer-modified-p':
>>
>> (if (loop for buffer in (buffer-list)
>> thereis (and (vc-backend (buffer-file-name buffer))
>> (buffer-modified-p buffer)))
>> 1
>> 0)
>
> And are you using this just as a predicate (Boolean test)?
No, or well, yes, but not in the context of other emacs lisp code. The
result value is used by some sh wrapper code around a command line tool.
So, John Mastro was exactly on track.
> If so, just:
>
> (loop for buffer in (buffer-list)
> thereis (and (vc-backend (buffer-file-name buffer))
> (buffer-modified-p buffer)))
Yes. I'm certain, John is aware.
> or
>
> (cl-some (lambda (b)
> (and (vc-backend (buffer-file-name b))
> (buffer-modified-p b)))
> (buffer-list))
Now, this is still some characters less, more compact, yes. Since I
wasn't aware of of `some' up to now ... I wonder: Is there something,
that is easily done with `some' that could not be done (at least well)
with `loop'?
- List of buffers under version control?, Rolf Ade, 2016/07/27
- Re: List of buffers under version control?, Rusi, 2016/07/28
- Re: List of buffers under version control?, Rolf Ade, 2016/07/28
- Re: List of buffers under version control?, Marcin Borkowski, 2016/07/28
- Message not available
- Re: List of buffers under version control?, Rolf Ade, 2016/07/28
- Re: List of buffers under version control?, John Mastro, 2016/07/28
- RE: List of buffers under version control?, Drew Adams, 2016/07/28
- Message not available
- Re: List of buffers under version control?,
Rolf Ade <=
- Message not available
- Re: List of buffers under version control?, Rolf Ade, 2016/07/28
- Re: List of buffers under version control?, Stefan Monnier, 2016/07/28
Re: List of buffers under version control?, Yuri Khan, 2016/07/28
Message not available