Re: [Boost-users] boost::variant: need help with 'get'

From: Wolfgang Meyer (Wolfgang.Meyer_at_[hidden])
Date: 2004-05-28 18:38:15

On Friday 28 May 2004 20:43, Caleb Epstein wrote:

> typedef variant<int, double, string> elem_t;
>
> int main ()
> {
>     elem_t pi = M_PI;
>     double d = get (pi);

If my understanding is correct, "get" expects the desired result type to be 
specified explicitly. In fact, how should the compiler deduce the return type 
of "get" otherwise? So you need to write:

double d = get<double>(pi);

Regards,
  Wolfgang Meyer