Perfect ammunition from my future proposal: deprecate forward declarations.

(only kidding)

On Wed, 30 Oct 2019, 21:33 Ville Voutilainen, <> wrote:
On Wed, 30 Oct 2019 at 23:20, Jake Arkinstall via Std-Proposals
<> wrote:
> On Wed, 30 Oct 2019, 20:49 Dmitry via Std-Proposals, <> wrote:
>> Your feedback is appreciated.
> Every so often, someone posts a proposal idea on here that is so simple and elegant that I wonder why nobody has thought of it before.
> Usually those threads descend into some historical or technical reasons why it isn't feasible, but I hope this isn't one of those threads.

I'd really love to not be such a spoilsport, but.. :)

template <class shama, class lama>
struct X;

template <class ding, class dong>
struct X;

template <class RealNames, class GoHere>
struct X

Which names are to be made available? All of them?