Re: [Boost-users] [mpl][fusion] making a heterogeneous collection of classes from a list of types.

From: David Abrahams (dave_at_[hidden])
Date: 2007-10-15 15:45:02

on Fri Oct 12 2007, Michael Marcin <mmarcin-AT-method-solutions.com> wrote:

> David Abrahams wrote:
>> on Thu Oct 11 2007, Michael Marcin <mmarcin-AT-method-solutions.com> wrote:
>> 
>>> Okay I think I've got a solution but I it is a bit ugly.  Is there a 
>>> cleaner solution?
>> 
>> Looks OK to me.  What do you find ugly about it?
>> 
>
> Thanks for looking.
>
> I guess the only concrete thing I can point to is having to declare my own
>
> template< typename T >
> struct wrap
> {
> };
>
> since this seems like its probably pretty common I figured there might 
> be one in mpl somewhere.

You can use mpl::identity for this.  There's also boost/type.hpp

-- 
Dave Abrahams
Boost Consulting
http://www.boost-consulting.com