Re: [boost] [C++0x] Emulation of scoped enums

Subject: Re: [boost] [C++0x] Emulation of scoped enums
From: Beman Dawes (bdawes_at_[hidden])
Date: 2009-03-05 12:44:08

On Thu, Mar 5, 2009 at 12:15 PM, Phil Endecott
<spam_from_boost_dev_at_[hidden]> wrote:

> Good plan.  Thoughts:
>
> - No need to make it a ::detail!
>
> - The user needs to spell out the macro if they declare a variable; can this
> be avoided?
>
> - How about avoiding the _START/_END stuff with e.g.
>  BOOST_SCOPED_ENUM_DECL(algae, green,red,cyan);
>  (I had been under the impression that varargs macros were a gcc-ism, but
> I've recently discovered that they're in c99; do non-gcc C++ compilers
> generally allow them?  I don't think we can get away with allowing only
> up-to-N elements in this case.)

Hum... I hadn't considered varargs macros. If I even knew they existed:-)

Let me try that on some non-gcc compilers. I'll report back.

Thanks,

--Beman