Error on negating unsigned types

[Andrei Alexandrescu via Digitalmars-d]

On 07/11/2017 03:46 PM, Johan Engelen wrote:
> So, adding the error may be nice, but it would make generic code a 
> little more verbose.
> Ideas? People OK with that?

A compelling argument is that the rule exposed two bugs in Phobos. -- Andrei