Copy Constructor DIP and implementation

[Jonathan M Davis]

On Saturday, September 22, 2018 8:40:15 PM MDT Nicholas Wilson via 
Digitalmars-d-announce wrote:
> On Sunday, 23 September 2018 at 01:08:50 UTC, Jonathan M Davis
>
> wrote:
> > On Saturday, September 22, 2018 6:13:25 PM MDT Adam D. Ruppe
> >
> > via Digitalmars-d-announce wrote:
> >> [...]
> >
> > Yeah, the problem has to do with how much you have to mark up
> > your code. Whether you have @foo @bar @baz or foo bar baz is
> > pretty irrelevant. And keywords eat up identifiers, so they're
> > actually worse.
> >
> > In addition, most of the complaints about @implicit have to do
> > with the fact that it doesn't even add anything. It's annoying
> > that we have @nogc, @safe, pure, etc. but at least each of
> > those adds something. @implicit is just there because of the
> > fear of breaking a theoretical piece of code that's going to be
> > extremely rare if it exists at all and in most cases would
> > continue to work just fine even if it did exist.
> >
> > - Jonathan M Davis
>
> It appears that @implicit has been removed from the
> implementation [1], but not yet from the DIP.
>
> https://github.com/dlang/dmd/commit/cdd8100

Well, that's a good sign.

- Jonathan M Davis