Re: [boost] An extension to boost::variant

Subject: Re: [boost] An extension to boost::variant
From: Mathias Gaunard (mathias.gaunard_at_[hidden])
Date: 2009-02-09 13:42:27

Chris Hamilton wrote:
> boost::variant
> currently can not handle the following code:
> [...]
>     boost::variant<foo*,foo&> v;
> [...]
> My question is essentially this:  why couldn't it?

I suppose it requires the types to be value types, otherwise assignment 
and copy don't make sense.
It's just like containers really. What's wrong with using T* or 
reference_wrapper<T> instead of T&?