Proto for Boost mailing list page: Re: [proto] Extendin proto::switch_

Subject: Re: [proto] Extendin proto::switch_
From: Joel falcou (joel.falcou_at_[hidden])
Date: 2011-08-06 01:55:48

On 06/08/11 07:30, Eric Niebler wrote:
> That wouldn't be enough because proto::matches "knows" about
> proto::switch_. It would be easy enough to extend proto::switch_ to take
> an optional mpl metafunction that accepts and expression and returns a
> type to dispatch on. It would default to proto::tag_of<mpl::_>. Or for
> the sake of consistency with the rest of proto, it should probably be a
> transform, in which case it would default to proto::tag_of<proto::_>().

OK

> Could you open a feature request?

Well, we wanted to know the correct road, i have someone to do it, so 
let's say we'll provide you with a patch request instead ;)