Re: [boost] [PATCH]Enhancing any_cast

From: Alexander Nasonov (alnsn_at_[hidden])
Date: 2004-12-11 18:07:28

Mikhail Glushenkov wrote:
> This is an enhanced version of Unai Uribarri's 
> patch  (see 
> http://lists.boost.org/MailArchives/boost/msg42284.php 
> ).
> Adds support for the following syntax:
> 
> boost::any a = 7;
> int& i = any_cast<int&>(a);
> 
> Current syntax for reference extraction is
> 
> int& i = *any_cast<int>(&a);
> 
> Old syntax is preserved.
> On compilers without support for partial 
> template specialization users are required to 
> provide explicit specializations of 
> boost::remove_reference for their classes 
> (usually via 
> BOOST_BROKEN_COMPILER_TYPE_TRAITS_SPECIALIZATION) 
> if they want to use the new syntax.
> Patch was tested on msvc 6 and 7.1, intel 8.1 
> and gcc 3.3.1.
> If this patch will be accepted, I'll write 
> tests/update documentation.

Hello Mikhail,
I've updated your patch to properly support T volatile x; any a(x);
It has been tested under Gentoo Linux on g++ 3.3.4 (hardened) and Intel
8.0 with and without BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION.
--
Alexander Nasonov