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From: Steven Watanabe (steven_at_[hidden])
Date: 2008-01-10 20:53:29


AMDG

Tobias Schwinger <tschwinger <at> isonews2.com> writes:

>
> Steven Watanabe wrote:
> > AMDG
> >
> > Tobias Schwinger <tschwinger <at> isonews2.com> writes:
> >
> >>> I don't think the comma operator
> >>> is a completely fool-proof way to detect void.
> >> It is.
> >>
> >>> It could cause an
> >>> ambiguity if the other type also defines an overloaded comma operator.
> >> No, because the operator is binary and one operand can have a reserved
> >> type which is only internally used by the test code.
>
> I hope I haven't promised too much ...
>
> >
> > Ok. Let's make this concrete. Here is what I imagine:
>
> <code>
>
> Try the attached code - does it work for you?

No it doesn't. None of the versions requiring implicit conversions
worked. Did you by any chance compile with NDEBUG?

In Christ,
Steven Watanabe


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