Re: [boost] [optional] Changes in Boost.Optional

Subject: Re: [boost] [optional] Changes in Boost.Optional
From: Dean Michael Berris (mikhailberis_at_[hidden])
Date: 2014-09-09 01:45:55

On Tue Sep 09 2014 at 2:20:24 AM Andrzej Krzemienski <akrzemi1_at_[hidden]>
wrote:

>
> I went to see how Boost.Variant addresses this problem. Interestingly, it
> doesn't.
>
> #include <boost/variant.hpp>
>
> struct Wrapper
> {
>   operator int () { return 9; }
>   operator boost::variant<int, long> () { return 7; }
> };
>
> int main()
> {
>   boost::variant<int, long> v = Wrapper();
>   assert(boost::get<int>(v) == 7);
> }
>
> This program assertion-fails on MSVC.
>
>
Okay, that's interesting.

What's the process here, do we file a bug to Microsoft? Send in a defect
report to the committee? Do we know the clauses in the standard that's
supposed to make this "do the right thing"?