Re: [boost] base_from_member suggestions

From: Daryle Walker (darylew_at_[hidden])
Date: 2004-11-17 18:05:29

On 11/9/04 9:18 PM, "Jonathan Turkanis" <technews_at_[hidden]> wrote:

> "Joe Gottman" <jgottman_at_[hidden]> wrote in message
> news:cmro5r$o56$1_at_sea.gmane.org...
>>    I used base_from_member today for the first time.  It got me out of a
>> sticky situation, but I think it could use a few modifications.  Since it is
>> designed to be used as a base class but does not have any virtual functions,
>> the copy constructor, assignment operator, and destructor should all be
>> protected.
> 
> I seem to remember someone proposing something similar for std::unary_function
> ;-) The argument seems even weaker here: base_from_member is designed for
> private inheritance, so it's hard to see how it can be misused by clients of a
> derived class.
> 
> There's one change I'd like to see: the constructors should take rvalue
> references ;-)

But that would prevent lvalue references from ever being used.  However,
since we can't explicitly specify the template parameters for a templated
constructor, could reference arguments (of either type) ever be used?

-- 
Daryle Walker
Mac, Internet, and Video Game Junkie
darylew AT hotmail DOT com