opEquals needs to return bool

[Janice Caron]

On 16/05/2008, Robert Fraser <fraserofthenight at gmail.com> wrote:
>  Instead of having a separate type, why not just use a (u)byte in those
> cases? That's gotta be rarer than the cases where you'd want to use an int
> for a bool, so while it's the same problem, the incidence of the problem is
> reduced

Fair enough.

OK, let's just keep it simple. Let bools be int-sized, and let
opEquals return bool.