[cfe-dev] Keyword warnings in libc++'s type_traits and other headers

[Alp Toker]

On 24/12/2013 04:58, Howard Hinnant wrote:
> On Dec 23, 2013, at 11:40 PM, Howard Hinnant <howard.hinnant at gmail.com> wrote:
>
>> On Dec 23, 2013, at 8:28 PM, Alp Toker <alp at nuanti.com> wrote:
>>
>>> This would still conflict with the keyword in current clang versions and other compilers that don't have a quality __has_feature() implementation.
>>>
>>> To reiterate, you'll do well to avoid the __is_* prefix entirely regardless of whether you can feature-test for individual availability of the keywords.
>> Hi Alp.  libc++ was using __is_void first.  clang needs to avoid stepping on existing identifiers too.  Get a __has_feature going and we're happy to meet you half way.  Neither clang nor libc++ has full ownership of the __namespace.  We have to share it.  It would be just as silly for us to be telling you to avoid this space because we're likely to step on you in the future.
> And in the future please coordinate and test with libc++ prior to introducing breaking changes.  We need to work together.  Not reacting in this uncoordinated fashion.

Hi Howard

What's the breaking change you're seeing?

Alp.


>
> Howard
>

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