Subject: Re: [boost] [move] auto-generated operator=
From: David Abrahams (dave_at_[hidden])
Date: 2009-11-16 07:46:14
On Sep 8, 2009, at 5:52 AM, Ion Gaztañaga wrote:
> We need a third alternative: a new overload set that maintains "const T &" and properly catches non-const rvalues.
I think we have it:
define one copy assignment operator in terms of swap. Copy elision makes it nearly as fast as a move, and we don't get an operator=(T&) infection in derived classes.
I have no problem with requiring move-enablers to supply a swap.
-- David Abrahams BoostPro Computing http://boostpro.com
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