> On 07 Jan 2015, at 14:06, Roberto Minelli <[email protected]> wrote:
>
> Thank you, Clément!
>
> We use instance var on class side is to implement singleton, for example.
> I’ve never used a class var and I am wondering what is a the most common use
> of such a variable?
Singletons where you have a hierarchy of classes and you want to have just one
object for the whole
hierarchy.
e.g. ThemeIcons, there the singleton was until recently a class instance
variable, leading to us
having multiple instances of the singleton in the image, one per subclass.
Marcus
