[boost] Re: aligned_storage not a POD?

From: David Abrahams (dave_at_[hidden])
Date: 2005-04-23 17:41:25

"Peter Dimov" <pdimov_at_[hidden]> writes:

> boost::aligned_storage is supposed to be an implementation of TR1 
> aligned_storage, which yields a POD. I even see a specialization of is_pod 
> for aligned_storage in the header. However the class itself (::type only 
> echoes its type back) does not seem a POD at all. It has a default 
> constructor, destructor, a private copy constructor and whatnot. 
> aligned_storage_test does not test its PODness, it only looks at is_pod.

Wow, that is embarassing!

> I think that a reasonable test for PODness would be to try to initialize 
> with = {} (if nonscalar) and/or use it in a union.

Good idea.  Who is responsible for this code?

-- 
Dave Abrahams
Boost Consulting
www.boost-consulting.com