Re: [Boost-users] [MPL] unique not working?

Subject: Re: [Boost-users] [MPL] unique not working?
From: Michael Marcin (mike.marcin_at_[hidden])
Date: 2013-10-14 21:56:43

On 10/14/2013 4:28 PM, Rodrigo Madera wrote:
> Then again, taking a deeper look on your snippet, you are sorting all
> kinds of types.
>
> I remember seeing something similar in a thread here and found it at [1].
>
> It works by creating an ascending sequence of types, and sorting them
> according to the distance (or rather the index) of the types. You may
> need to put some more types in there according to what you expect from
> your clients.
>
> Your other option is providing the less<> types needed for sort<> to
> know the ordering relation between types.
>

I ended up just creating a set from the types instead.

         typedef typename fold< vector<Args...>
             , set0<>
             , insert<_1, _2>
         >::type unique_args;

Thanks.