Re: [boost] auto_vector - vector with auto_ptr semantics

From: Greg Colvin (gcolvin_at_[hidden])
Date: 2002-02-04 20:05:37

From: "Howard Hinnant" <hinnant_at_[hidden]>
> On Monday, February 4, 2002, at 05:29  PM, Greg Colvin wrote:
> 
> > The real hassle is
> >
> >     void f(auto_ptr<int>);
> >     f(a);
> >
> > which requires an assignment operator.
> 
> Agreed about the hassle part.  It would be neat if there were either a 
> generalized language or library solution so that one could easily add 
> move semantics to vector, string, bob and alice.

Yep.  You would need both a move operation and a way to specify
whether whether a function argument was to be copied or moved.

>  I imagine you would be 
> one of the first to agree that giving auto_ptr move semantics was not 
> easy, or at least not straight forward! :-)

It was the most evil and ugly thing I was ever forced to do. ;->