on Thu Apr 26 2012, Mathias Gaunard <mathias.gaunard-AT-ens-lyon.org> wrote:
On 26/04/12 19:41, Dave Abrahams wrote:
on Thu Apr 26 2012, "Stephan T. Lavavej"<stl-AT-exchange.microsoft.com> wrote:
[STL]
Each is optimally sized (in particular, make_shared/allocate_shared
implement the "we know where you live" optimization that I have previously described
[Dave Abrahams]
I can't find that description. Pointer please?
See http://channel9.msdn.com/Events/GoingNative/GoingNative-2012/STL11-Magic-Sec... (which also has links to my slides - viewable online even without PowerPoint), in particular Slide 6.
9:30 or so in the video.
Explicit destructor calls on memory that doesn't come from the free store? Sounds like there are potential strict aliasing problems there.
I think, based on what you said here and your comments in the newsgroup, that you are misreading those rules. You're allowed to construct anything you want in a raw array of char as long as it's properly aligned. -- Dave Abrahams BoostPro Computing http://www.boostpro.com