llvm dev - Mar 2014 - [LLVMdev] [RFC] C++11: beware unnecessary copies with auto

It’s easy to copy unintentionally when using ‘auto’, particularly inside
range-based for loops.  My experience is that defaulting to const& makes
code easier to get right (and easier to read).

Anyone see an issue with the attached patch to the coding standards?

-------------- next part --------------
A non-text attachment was scrubbed...
Name: beware-copies-with-auto.patch
Type: application/octet-stream
Size: 1160 bytes
Desc: not available
URL:
<http://lists.llvm.org/pipermail/llvm-dev/attachments/20140302/e87d7f44/attachment.obj>

On 03/02/2014 06:03 PM, Duncan P. N. Exon Smith wrote:
> It’s easy to copy unintentionally when using ‘auto’, particularly inside
> range-based for loops.  My experience is that defaulting to const&
makes
> code easier to get right (and easier to read).
>
> Anyone see an issue with the attached patch to the coding standards?
I am not a C++11 expert, but I must say I was very glad for the hint 
Duncan gave me. If there are no technical concerns, I am very much in 
favor of this addition.

Tobias

On 3 March 2014 01:48, Tobias Grosser <tobias at grosser.es>
wrote:
> I am not a C++11 expert, but I must say I was very glad for the hint Duncan
> gave me. If there are no technical concerns, I am very much in favor of
this
> addition.
+1

--renato