Re: [boost] Rave for proposed Boost.Local (functions)

Subject: Re: [boost] Rave for proposed Boost.Local (functions)
From: Lorenzo Caminiti (lorcaminiti_at_[hidden])
Date: 2011-02-07 11:56:06

On Mon, Feb 7, 2011 at 11:42 AM, Steven Watanabe <watanabesj_at_[hidden]> wrote:
> AMDG
>
> On 2/7/2011 12:42 AM, Jeffrey Lee Hellrung, Jr. wrote:
>> Looking back at the macro expansion Lorenzo supplied, it seems the only
>> use for this boost_local_auxXargs variable is to hold a definite
>> reference to the bound variables struct to be used within
>> BOOST_LOCAL_FUNCTION_END( xxx ). I can see the necessity of this for
>> BOOST_SCOPE_EXIT_END, but BOOST_LOCAL_FUNCTION_END has the name of the
>> local function passed to it, which should be unique to the scope, hence
>> could be used to construct a unique name for the reference to the bound
>> variables struct. So it seems this "awful hack" wouldn't be necessary
>> for (proposed) Boost.Local. Am I missing something?
>>
>
> You're not missing anything.  The hack was only introduced
> to avoid having to use a name in scope_exit, like in
> Boost.Local.

OK, I will study if this hack is needed for Boost.Local or not (I
think, it might in order to support BOOST_LOCAL_FUNCTION_END_RENAME
which is actually the one used by BOOST_LOCAL_BLOCK_END and
BOOST_LOCAL_EXIT_END but I need to go back and check the code).

-- 
Lorenzo