request switch statement with common block

[bearophile]

Regarding the feature proposed here, I think the extra complexity 
added doesn't pay enough back.


Walter Bright:

> You could provide supporting evidence by examining every use of 
> switch in the dmd, phobos, and druntime source code, and see 
> what percentage of those would benefit from your proposal.

Has someone done that regarding the last feature added to D, I 
mean the support for this syntax:

enum mysize(T) = T.sizeof;
template Pair(T) = Tuple(T, T);

Bye,
bearophile