Subject: Re: [boost] [move] auto-generated operator=
From: Ion Gaztañaga (igaztanaga_at_[hidden])
Date: 2009-11-16 12:20:04


David Abrahams escribió:
> On Nov 16, 2009, at 7:46 AM, David Abrahams wrote:
m with requiring move-enablers to supply a swap.
>
> In fact, I don't even think we need to do that. This seems to work pretty well:
>
> #define BOOST_COPYABLE_AND_MOVABLE(TYPE)\
> public:\
> TYPE& operator=(TYPE t)\
> { return this->operator=(static_cast< ::boost::rv<TYPE>&>(t)); } \
> //

Interesting. This works for some types but it has performance impact in
types likevector because they can't reuse previous allocated resource
(e.g. capacity).

Ion