Re: [boost] [ref][variant] use together with polymorphic behaviour

From: Peter Dimov (pdimov_at_[hidden])
Date: 2006-07-21 10:54:32

Oleg Abrosimov wrote:

> my fault, sorry. it should be
>
> class base {};
> class child : public base {};
>
> child c;
> boost::reference_wrapper<base> bref = boost::ref(c);

This compiles if I make the reference_wrapper constructor implicit. I wonder 
why we made it explicit (in TR1 as well). Probably out of habit. On the 
other hand, I can't think of any potential problems that an implicit 
constructor could have caused.

Thoughts?