[boost] Re: [bug]: optional<T> fails on self-assignment

From: David Abrahams (dave_at_[hidden])
Date: 2005-02-15 13:54:27

Jody Hagins <jody-boost-011304_at_[hidden]> writes:

> It seems to me that implementing the
> canonical assignment operator would work fine...
>
>
> optional & operator=(optional const & rhs)
> {
>   optional tmp(rhs);
>   optional_swap(*this, tmp);
>   return *this;
> }
>

I wish people would stop calling it that.  It's easy, but it's
overkill.

> I know it is has a little more overhead

Yes.

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