[Development] API style guide: scoped enum or not?

[Marc Mutz]

On 05.05.23 08:10, Thiago Macieira wrote:
> On Thursday, 4 May 2023 22:48:44 PDT Thiago Macieira wrote:
>> On Thursday, 4 May 2023 22:28:44 PDT Thiago Macieira wrote:
>>> But for those that use a very name, the API becomes cumbersome:
>>>    Qt::Alignment al = Qt::AlignmentFlag::Left;
>>>
>>> Can we do better? With C++20 using enum (GCC 11, Clang 13, so not in my
>>> proposal) we could easily.
>>
>> Actually, we can leave that as an optional feature for GCC 10 and Clang 10,
>> if we choose those as our minima. We wouldn't be able to use the used
>> enumerations in our code until the feature became mandatory, but users
>> whose compilers do support the feature could use it.
>>
>> https://codereview.qt-project.org/c/qt/qtbase/+/476084
> 
> Scratch that. This doesn't work and I don't know why:
> https://gcc.godbolt.org/z/6jf7Ebecq
> 
> Looks like the using enum feature is not very useful for us. Back to the
> drawing board for scoped flags

https://gcc.godbolt.org/z/6exEonP5o, maybe?

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Marc Mutz <marc.mutz at qt.io> (he/his)
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