PhobosWatch: manifest => enum

[Walter Bright]

Bastiaan Veelo wrote:
> You can regard me as a newcomer. In my view, enums are often used in 
> support of switch statements. If you are loosening up enums so its 
> members can be of heterogeneous types, will you be loosening up 
> switch/case as well? If not, that would be confusing to me, as you will 
> be able to switch on some enums but not on others.

The heterogeneous types for enums would only be for anonymous enums. I 
don't think it would make much sense to support case statements of 
different types, as the switched value is necessarily of only one type.