Re: Futures Review - minor implementation details

PING!
----- Original Message ----- 
From: "vicente.botet" <vicente.botet <at> wanadoo.fr>
To: <boost <at> lists.boost.org>
Sent: Tuesday, January 06, 2009 11:13 PM
Subject: Re: [boost] Futures Review - minor implementation details

> 
> Hi Anthony,
> 
> Some minor implementation details:
> Why there is not other.future reset in
>        shared_future(shared_future && other)
>        {
>            future.swap(other.future);
>        }
>        shared_future(unique_future<R> && other)
>        {
>            future.swap(other.future);
>        }
> 
> How the move is made?
> 
> Is 
>            future.swap(other.future);
>            other.future.reset();
> more efficient than
>            future.reset(other.future);
>            other.future.reset();
> ? Otherwise you can change it in:
> 
>        shared_future& operator=(shared_future && other)
>        {
>            future.swap(other.future);
>            other.future.reset();
>            return *this;
>        }
>        shared_future& operator=(boost::detail::thread_move_t<shared_future> other)
>        {
>            future.swap(other->future);
>            other->future.reset();
>            return *this;
>        }
>        shared_future& operator=(boost::detail::thread_move_t<unique_future<R> > other)
>        {
>            future.swap(other->future);
>            other->future.reset();
>            return *this;
>        }
> 
> And once shared_ptr implements movable you could use 
>    future = move(other.future);
> Isn't it?
> 
> Vicente
> 
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