Re: [boost] [1.50.0] Beta 1 release candidates available for testing

Subject: Re: [boost] [1.50.0] Beta 1 release candidates available for testing
From: Dave Abrahams (dave_at_[hidden])
Date: 2012-06-04 12:07:23

on Sun Jun 03 2012, Lorenzo Caminiti <lorcaminiti-AT-gmail.com> wrote:

> On Thu, May 31, 2012 at 7:45 PM, Beman Dawes <bdawes_at_[hidden]> wrote:
>> Release candidate files for 1.50.0 beta 1 are available at
>> http://boost.cowic.de/rc/
>>
>> As always, the release managers would appreciate it if you download
>> the candidate of your choice and give building it a try. Please report
>> both success and failure, and anything else that is noteworthy.
>>
>> This helps ensure the candidates build OK before we push them out to
>> SourceForge.
>
> I've been using the RC in my projects and I notice an issue with
> Boost.Parameter.
>
> It looks like that the RC Boost.Parameter is not able to refer to the
> parameter types within the function declaration.
>
> For example, this uses `tag::x::_` to refer to x's type:
>
> #include <boost/parameter.hpp>
> #include <iostream>
>
> BOOST_PARAMETER_NAME(x)
> BOOST_PARAMETER_NAME(y)
>
> BOOST_PARAMETER_FUNCTION(
>     (void),
>     f,
>     tag,
>     (required (x, *) (y, (tag::x::_)) )
> ) {
>     std::cout << x << " " << y << std::endl;
> }
>
> int main ( void )
> {
>     f(1, 2);
>     return 0;
> }
>
> This example compiles using Boost.Parameter from the trunk (both MSVC
> 8 and GCC 4.5.3) but on GCC 4.5.3
>  using Boost.Parameter from RC 1.50.0 Beta1 gives the errors below.
>
> It looks like there were only an hand full of changes of
> Boost.Parameter that were not merged from trunk to release (see
> attached .diff). Can these be merged? 

As far as I'm concerned, you can merge anything that you think improves
the tests.  Daniel, do you agree?

-- 
Dave Abrahams
BoostPro Computing
http://www.boostpro.com