Writing to a static property causes its default value to be evaluated - is this deliberate? A bug? Could it be changed?

[suyashsrijan]

@patrickgoley

I imagine this is because bar could have a didSet implemented, which receives the oldValue which would need to be initialized to something.

Note that we no longer fetch the oldValue if the body of the didSet does not have a reference to it or if it’s not explicitly requested in the parameter list aka didSet(oldValue) (SE-0268).