Re: [boost] [variant] Common base type of variant sub-types

Subject: Re: [boost] [variant] Common base type of variant sub-types
From: Mathias Gaunard (mathias.gaunard_at_[hidden])
Date: 2010-01-09 01:15:41

Adam Badura wrote:

> typedef boost::variant<derived_1, derived_2> variant_type;
> 
> void f()
> {
>  variant_type v;
> 
>  v = derived_1();
>  assert(boost::get<base>(&v)); // This will fail.

You can get the desired behaviour by applying a visitor.