[PATCH v2 1/8] emacs/tree: return true if a thread was found in next-thread

[William Casarin]

David Edmondson <dme at dme.org> writes:

> On Thursday, 2019-11-28 at 08:13:54 -08, William Casarin wrote:
>
>> This will allow us to pop back to parent buffers when there are no
>> more threads to jump to.
>>
>> Signed-off-by: William Casarin <jb55 at jb55.com>
>> ---
>>  emacs/notmuch-tree.el | 8 ++++++--
>>  1 file changed, 6 insertions(+), 2 deletions(-)
>>
>> diff --git a/emacs/notmuch-tree.el b/emacs/notmuch-tree.el
>> index c00315e8..4bc05160 100644
>> --- a/emacs/notmuch-tree.el
>> +++ b/emacs/notmuch-tree.el
>> @@ -620,10 +620,14 @@ message will be \"unarchived\", i.e. the tag changes in
>>    (notmuch-tree-thread-top))
>>  
>>  (defun notmuch-tree-next-thread ()
>> +  "Get the next thread in the current tree. Returns t if a thread was
>> +found or nil if not."
>>    (interactive)
>>    (forward-line 1)
>> -  (while (not (or (notmuch-tree-get-prop :first) (eobp)))
>> -    (forward-line 1)))
>> +  (let (end)
>> +    (while (not (or (notmuch-tree-get-prop :first) (setq end (eobp))))
>> +      (forward-line 1))
>> +    (not end)))
>
> Does using the variable add much value here? It makes the code look more
> strange and removing it would add the cost of just one more call to
> `eobp'.

agreed, will update this in the next version

>
>>  
>>  (defun notmuch-tree-thread-mapcar (function)
>>    "Iterate through all messages in the current thread
>> -- 
>> 2.23.0
>>
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>
> dme.
> -- 
> But uh oh, I love her because, she moves in her own way.