Re: Project Elvis

[Ola Fosheim Grøstad via Digitalmars-d]

On Sunday, 29 October 2017 at 11:23:19 UTC, Steven Schveighoffer 
wrote:
So, what will the member function be called? «opElvis»? No…

opCast for bool.

That means you cannot create your own type-safe filtering 
mechanism, but will be forced to provide opCast for bool.