Re: [boost] [variant] assign and access the assigned value simultaneously

Subject: Re: [boost] [variant] assign and access the assigned value simultaneously
From: Gavin Lambert (gavinl_at_[hidden])
Date: 2014-03-18 22:32:42

On 14/03/2014 19:22, Quoth feverzsj:
>    for common case:
>
>          boost::variant<Val,...> var;
>          var = val;
>          Val& v = boost::get<Val>(var);

Why is that a common case?  I would think that's an anti-pattern, 
personally.  (But then I haven't played with variants much, so perhaps 
I'm missing something.)