Re: [Boost-users] [variant][mpl] silly mistake in make_variant_over usage?

Subject: Re: [Boost-users] [variant][mpl] silly mistake in make_variant_over usage?
From: Nat Goodspeed (nat_at_[hidden])
Date: 2015-08-28 22:25:45

On Fri, Aug 28, 2015 at 9:47 PM, Agustín K-ballo Bergé
<kaballo86_at_[hidden]> wrote:

> On 8/28/2015 10:35 PM, Nat Goodspeed wrote:

>> (Is there a simpler way to obtain a variant of the result types of
>> passed functions? I was hoping I could just write: boost::variant<
>> std::result_of<Fns>::type... >.)

> So probably this would to:
>
>     typedef boost::variant<
>         typename std::result_of<Fns()>::type...> >::type return_t;

Thank you very much! Indeed, this works:

typedef boost::variant< typename std::result_of<Fns()>::type... > return_t;

So my silly mistake was omitting the parentheses.  :-)