[Interest] Qt support for strongly-typed enums

[Thiago Macieira]

On Saturday 21 November 2015 03:08:54 Tom Isaacson wrote:
> I'm moving an old project to Qt5 and since we've upgraded compiler and now
> have C++11 support I thought I'd change my enums to "enum class". This
> breaks some code where I add the enum to a QVariantMap in preparation to
> conversion to JSON so I had to add a static_cast<int>(). But it made me
> wonder - is this best practice or is there a Qt way of declaring a
> strongly-typed enum that's compatible with the likes of QVariant?

Strongly-typed enums need to be used as a completely separate type. You need 
to declare them as metatypes, load them into a QVariant using 
QVairant::fromValue and retrieve using qvariant_cast<EnumType>().

-- 
Thiago Macieira - thiago.macieira (AT) intel.com
  Software Architect - Intel Open Source Technology Center