Re: [boost] More flexible any_cast for boost::any

Subject: Re: [boost] More flexible any_cast for boost::any
From: Nevin Liber (nevin_at_[hidden])
Date: 2013-11-27 10:20:44

On 26 November 2013 09:24, DeadMG <wolfeinstein_at_[hidden]> wrote:

>
>
> Enabling this variety of any_cast would substantially improve the
> composability of boost::any. For example, it's arguable that std::function
> is merely boost::any but with additional interface requirements.

Well, they both use type erasure.  I don't see how this exception trick
helps, though.

> With such
> an any_cast enhancement, it would be quite trivial to compose std::function
> implementations or similar concepts on top of boost::any.
>

Do you have a prototype implementation somewhere that we can look at?
-- 
 Nevin ":-)" Liber  <mailto:nevin_at_[hidden]>  [phone]