Re: [boost] [move] auto-generated operator=

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