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bug#46374: 28.0.50; Ask me to save buffers only if they are under caller
From: |
Juri Linkov |
Subject: |
bug#46374: 28.0.50; Ask me to save buffers only if they are under callers dir |
Date: |
Fri, 13 Aug 2021 10:11:34 +0300 |
User-agent: |
Gnus/5.13 (Gnus v5.13) Emacs/28.0.50 (x86_64-pc-linux-gnu) |
tags 46374 fixed
close 46374 28.0.50
thanks
Thanks for this useful feature. It was requested yesterday in bug#49980.
So now it's pushed to master and closed.
>> Indeed, to remove the FIXME comment we could set the default value to
>> 'ignore' that returns nil:
>>
>> (funcall (lambda () nil)) => nil
>> (funcall 'ignore) => nil
>
> Opps, This is a pitfall: the second one will do exactly the opposite that
> the first one does :-)
> No problem! We can apply Bon Jovi!
>
> (funcall (lambda () nil)) => nil
> (funcall 'always) => t
>
> [the above are equivalent; yeah, it sounds impossible, but if you read the
> code you will understand why]
>
>> But also it's easy to support the old value 'nil', and also
>> support old functions that don't return a predicate.
>> You can just return the same value if it's not a function,
>> and also return the function if it doesn't return a predicate.
>> Something like this (untested):
>>
>> (defun save-some-buffers-fun ()
>> (if (functionp save-some-buffers-default-predicate)
>> (let ((ret (funcall save-some-buffers-default-predicate)))
>> (if (functionp ret) ret save-some-buffers-default-predicate))
>> save-some-buffers-default-predicate))
>
> Neat!
> I am going to use this version for a while in my machine, to give it more
> testing.
> Thank you.
- bug#46374: 28.0.50; Ask me to save buffers only if they are under callers dir,
Juri Linkov <=