Re: [boost] [move semantics] Do we have any plan for move semantics emulation?

From: David Abrahams (dave_at_[hidden])
Date: 2006-07-24 12:11:23

Ion Gaztañaga <igaztanaga_at_[hidden]> writes:

> Hi to all,

>

>    The rvalue reference is likely to be accepted for the next standard 

> and the standard library is also likely to be modified to implement move 

> semantics. Googling around, the only thing I've found related to Boost 

> and move semantics is Jonathan Turkanis' Boost Move Ptr 

> (http://www.kangaroologic.com/move_ptr/).

>

>    This move ptr and Howard's unique_ptr emulation code 

> (http://home.twcny.rr.com/hinnant/cpp_extensions/unique_ptr_03.html) are 

> similar and offer a good new smart pointer. However, I was wondering if 

> we could try to sketch an emulation of "std::move()" for objects that 

> are not unique_ptr/move_ptr. Something that would allow at least to 

> define (portably, perhaps with a macro that in the future, with 

> compilers that implement move semantics, can be expanded to the proper 

> && signature) move constructors and assignments:

I've been intending to get this into Boost:

http://boost.cvs.sourceforge.net/boost-sandbox/boost-sandbox/boost/move.hpp

http://boost.cvs.sourceforge.net/boost-sandbox/boost-sandbox/libs/move/test/

You can find a long thread about this work here:

http://news.gmane.org/find-root.php?message_id=%3cc5mlde%24481%241%40sea.gmane.org%3e

-- 
Dave Abrahams
Boost Consulting
www.boost-consulting.com