UFCS with constructors

[Maxim Fomin]

On Wednesday, 6 November 2013 at 18:02:32 UTC, Ali Çehreli wrote:
> > But such
> > expectations need not correspond to language rules (try to
> think from
> > from language laywer perspective).
>
> I still argue that the expression -expr must have the same type 
> as expr.
>
> > In bearophile case, I guess
> > Typedef!double overloads unary operator which returns double
> which is
> > primary reason for such behavior.
>
> That's what I deduced from qznc's post and tried to mean that 
> such behavior would be confusing to programmers.
>
> Ali

I think that reason for such behavior is the way used defined 
operator overloading functions are implemented, not the language 
per se, so programmers confuse themselves.