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

Subject: Re: [boost] [move] auto-generated operator=
From: Ion Gaztañaga (igaztanaga_at_[hidden])
Date: 2009-09-08 02:18:18

David Abrahams escribió:
>> The fact that you need to add *both* const and non-const is strange,
>> in my case, just definining the const version in the higher-level
>> class was enough.
> 
> :-(
> 
> This was a weakness of all earlier approaches that was fixed by Adobe's
> library; I *really* do not want to see it broken by Boost.  It's not
> always something you can work around.  Consider putting a
> movable-and-copyable type in std::pair; now constant pairs can't be
> copied, which breaks everything.

Well, maybe benefits don't outweigh problems... I added that overload so 
that assignment moves rvalues instead of copying them, but maybe it's a 
limitation and we should just live with it. Or maybe the library needs a 
radical change, I really don't know what would be the best approach.

Thanks,

Ion