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Subject: Re: [boost] [xint] Third release is ready, requesting preliminary review
From: Stewart, Robert (Robert.Stewart_at_[hidden])
Date: 2010-05-04 07:30:40

DE wrote:
> Giovanni Piero Deretta wrote :
> > No, but swap is your friend:
> > X operator- (X x) {
> > modify-in-place x;
> > X ret; // this should be cheap
> > ret.swap(x);
> > return ret; // NRVO should kick in
> > }
> i don't think it is a good idea to write such curious code in chase of
> a _possibility_ (there are no guarantees) of rvo

That's perfectly reasonable code. Consider <>.

Rob Stewart robert.stewart_at_[hidden]
Software Engineer, Core Software using std::disclaimer;
Susquehanna International Group, LLP

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