Re: Create object in buffer w/ placement new?

From: Jonathan Turkanis (technews_at_kangaroologic.com)
Date: 03/24/04 

Date: Wed, 24 Mar 2004 13:29:21 -0700

"Derek" <none@cheese.com> wrote in message
news:c3sol6$2c6h2r$1@ID-46268.news.uni-berlin.de...
> My understanding is that only operator new returns memory that
> is suitably aligned for any object. Does this mean that
> constructing an object in a buffer is not allowed unless that
> buffer was itself allocated by new?

There are other ways to guarantee alignment, but they are not 100%
standard conforming. See

   http://www.boost.org/doc/html/variant.misc.htm (portability)

   http://www.boost.org/libs/type_traits/index.html
(type_with_alignment)

The implementation is here:

   http://www.boost.org/boost/type_traits/type_with_alignment.hpp

Jonathan

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