Re: [boost] [rfc] rcpp

Subject: Re: [boost] [rfc] rcpp
From: Mathias Gaunard (mathias.gaunard_at_[hidden])
Date: 2010-02-22 13:59:55

Ivan Sorokin wrote:
> Hello.
> 
> Thanks for feedback, Mathias!
> 
> Mathias Gaunard wrote:
>> You might want to use proper move emulation in the absence of C++0x, 
>> as is provided by Boost.Move.
> There is no such library Boost.Move.

It is in the review queue to be included as a first-class Boost citizen, 
but it seems it is already used by Boost.Interprocess and shipped with it.

> If copy constructor or move constructor can throw an exception the only 
> function that works incorrect is release.

My bad, I assumed the operator= was implemented as you described in the 
documentation (clear current resource first), but you're actually using 
a temporary then swap, which means the new resource is moved *before* 
the old resource is released.