Re: [boost] Add macros for the "enum class" concept?

Subject: Re: [boost] Add macros for the "enum class" concept?
From: Dave Abrahams (dave_at_[hidden])
Date: 2011-12-15 06:49:40

on Mon Dec 12 2011, Vicente Botet <vicente.botet-AT-wanadoo.fr> wrote:

> Daryle Walker wrote
>> 
>
>>> Date: Mon, 12 Dec 2011 12:55:33 +0000
>>> From: dnljms@
>> 
>>> On 12 December 2011 12:46, Daryle Walker &lt;darylew@&gt; wrote:
>>> >
>>> > Should we add preprocessor stuff to conditionally use the C++11 "enum
>>> class" construct?
>>>
>>> We have something like that already:
>>>
>>> http://www.boost.org/boost/detail/scoped_enum_emulation.hpp
>> 
>> Reading it, it doesn't have any base type and/or forward-declaration
>> facilities.
>> 
>> 
>
> How do you want to be able to use forward declaration in a portable way? 
>
> There are also scoped enums with underlying type that are no enum class.

Not in C++11.  There are unscoped enums with underlying type, but the
way you get scoping is to use "enum class."

-- 
Dave Abrahams
BoostPro Computing
http://www.boostpro.com