Re: [boost] Variant2 review

Subject: Re: [boost] Variant2 review
From: Nevin Liber (nevin_at_[hidden])
Date: 2019-04-11 16:16:18

On Mon, Apr 8, 2019 at 12:55 PM Peter Dimov via Boost <boost_at_[hidden]>
wrote:

> Andrzej Krzemienski wrote:
>
> > Such thing could be achieved if the behavior of variant's assignment and
> > emplacement was controlled by a type trait.
>
> This can't work in general.
>

One thing you could do is have a magic alternative in the typelist which
controls this behavior.  monostate is already a little magical in this
design, so there is precedent.

> --
>  Nevin ":-)" Liber  <mailto:nevin_at_[hidden]
> <nevin_at_[hidden]>>  [phone]
>