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Re: Prohibit enum <-> int mixup
* Jonathan Wakely <jwakely.gcc@gmail.com> wrote:
> On 30 January 2011 20:11, Enrico Weigelt wrote:
> > * Jonathan Wakely <jwakely.gcc@gmail.com> wrote:
> >
> >> Technically what is allowed is implicit conversion from enum to int.
> >> In C++0x you can define a scoped enum which doesn't allow the
> >> conversion.
> >
> > How exactly is this done ?
>
> enum class foo { bar };
>
> foo f = foo::bar;
>
> int i = foo::bar; // error, no conversion
Ah, looks promising: it also refuses < and > operators, exactly
what I'm looking for :)
I'll have to add --std=c++0x parameter - does that have any other
side effects I should be aware of ?
cu
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