Re: [boost] [move] New version with move-aware containers library

Subject: Re: [boost] [move] New version with move-aware containers library
From: David Abrahams (dave_at_[hidden])
Date: 2009-04-17 14:07:14

on Wed Apr 15 2009, Steven Watanabe <watanabesj-AT-gmail.com> wrote:

> AMDG
>
> David Abrahams wrote:
>> Here's one thing I don't love:
>>
>>    Derived(BOOST_RV_REF(Derived) x)             // Move ctor
>>       : Base(boost::move(static_cast<Base&>(x))),         mem_(boost::move(x.mem_))
>> { }
>>
>> is there a way to get rid of the static_cast and make
>>
>>    Derived(BOOST_RV_REF(Derived) x)             // Move ctor
>>       : Base(boost::move(x)),         mem_(boost::move(x.mem_)) { }
>>
>> work?
>>   
>
> FWIW, I always write copy constructors using the cast, after having
> been bitten by templated base class constructors a few times.

Hmm, good point.

-- 
Dave Abrahams
BoostPro Computing
http://www.boostpro.com