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Re: [PATCH] xen/treewide: More typeof() -> auto conversions
- To: Jan Beulich <jbeulich@xxxxxxxx>
- From: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
- Date: Tue, 27 Jan 2026 17:10:57 +0000
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- Cc: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>, Anthony PERARD <anthony.perard@xxxxxxxxxx>, Michal Orzel <michal.orzel@xxxxxxx>, Julien Grall <julien@xxxxxxx>, Roger Pau Monné <roger.pau@xxxxxxxxxx>, Stefano Stabellini <sstabellini@xxxxxxxxxx>, Volodymyr Babchuk <Volodymyr_Babchuk@xxxxxxxx>, Bertrand Marquis <bertrand.marquis@xxxxxxx>, Xen-devel <xen-devel@xxxxxxxxxxxxxxxxxxxx>
- Delivery-date: Tue, 27 Jan 2026 17:11:12 +0000
- List-id: Xen developer discussion <xen-devel.lists.xenproject.org>
On 27/01/2026 5:01 pm, Jan Beulich wrote:
> On 27.01.2026 11:18, Andrew Cooper wrote:
>> All of these are simple cases of using typeof() to avoid multiple parameter
>> evaluation. Using auto avoids multiple textural expansion also.
>>
>> No functional change.
>>
>> Signed-off-by: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
> Acked-by: Jan Beulich <jbeulich@xxxxxxxx>
Thanks.
While I've got people's attentions, there's a secondary pattern we use
that's a bit less clear to convert.
typeof(a) *_ptr_a = &a;
With auto, you're required to write this as:
auto _ptr_a = &a;
rather than the more-nomal-looking:
auto *_ptr_a = &a;
So far I've only found two examples, and I'm debating leaving them as
are seeing as auto (in this form) is still a new concept to most.
Thoughts?
~Andrew
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