ranges of characters and the overabundance of traits that go with them

[Andrei Alexandrescu via Digitalmars-d]

On 3/17/17 12:42 AM, Jonathan M Davis via Digitalmars-d wrote:
> And
> checking isSomeString with an enum is perfectly valid. It's just that we'd
> like it to be false, whereas right now it's true.

That hasn't been the case for long, and there can't be many designs 
relying on that. I think this is one of those places where we can break 
compatibility if there's enough reason. -- Andrei