Re: [boost] boost::mpl::for_each and value_initialized

Subject: Re: [boost] boost::mpl::for_each and value_initialized
From: Domagoj Saric (dsaritz_at_[hidden])
Date: 2010-02-08 15:54:19

"Niels Dekker - address until 2010-10-10" 
<niels_address_until_2010-10-10_at_[hidden]> wrote in message 
news:07DF713EB75448E9BB19C125D30B356E_at_lumcnet.prod.intern...
> I would consider that a refinement. But it's not that simple. MSVC does 
> value-initialize a lot of non-POD types correctly! (But not all of them.) 
> Other compilers may value-initialize built-in types correctly, but not 
> aggregates.  I can't remember exactly.

Yes but if MSVC certainly always does correctly value_initialize PODs then it 
seems like a safe and rather simple first step...then later, as you said, more 
specific logic can be added...

> When all that is done and stabilized, I wouldn't mind looking at some 
> possible fine tuning, to further reduce the number of memset calls. But I'm 
> afraid it will be a maintainer's headache.

Very well...

-- 
 "That men do not learn very much from the lessons of history is the most
important of all the lessons of history."
 Aldous Huxley