[v3 PATCH] Implement P0307R2, Making Optional Greater Equal Again.

[Ville Voutilainen]

On 13 July 2016 at 21:25, Daniel Krügler <daniel.kruegler@gmail.com> wrote:
> How would you feel about the introduction of an internal trait
> __is_boolean_testable, that would test both is_convertible<const T&,
> bool> and is_constructible<bool, const T&> for now, so that we could
> reuse that at places like these and others pointed out by LWG 2114?
>
> If you like that idea, I would work on a contribution.


Sounds like an excellent idea to me.